staging: brcm80211: removed log after kzalloc()/kmalloc() failure
authorRoland Vossen <rvossen@broadcom.com>
Fri, 23 Sep 2011 00:07:53 +0000 (17:07 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 26 Sep 2011 23:55:35 +0000 (16:55 -0700)
kzalloc/kmalloc already reports an allocation failure themselves.

Reported-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
12 files changed:
drivers/staging/brcm80211/brcmfmac/dhd_cdc.c
drivers/staging/brcm80211/brcmfmac/dhd_common.c
drivers/staging/brcm80211/brcmfmac/dhd_linux.c
drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
drivers/staging/brcm80211/brcmsmac/ampdu.c
drivers/staging/brcm80211/brcmsmac/antsel.c
drivers/staging/brcm80211/brcmsmac/channel.c
drivers/staging/brcm80211/brcmsmac/dma.c
drivers/staging/brcm80211/brcmsmac/mac80211_if.c
drivers/staging/brcm80211/brcmsmac/nicpci.c
drivers/staging/brcm80211/brcmsmac/phy_shim.c

index 28bdf9e..91b4d3c 100644 (file)
@@ -417,10 +417,8 @@ int brcmf_proto_attach(struct brcmf_pub *drvr)
        struct brcmf_proto *cdc;
 
        cdc = kzalloc(sizeof(struct brcmf_proto), GFP_ATOMIC);
-       if (!cdc) {
-               brcmf_dbg(ERROR, "kmalloc failed\n");
+       if (!cdc)
                goto fail;
-       }
 
        /* ensure that the msg buf directly follows the cdc msg struct */
        if ((unsigned long)(&cdc->msg + 1) != (unsigned long)cdc->buf) {
index 0c41c1c..963d1a9 100644 (file)
@@ -562,10 +562,9 @@ brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable,
        struct brcmf_pkt_filter_enable *pkt_filterp;
 
        arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
-       if (!arg_save) {
-               brcmf_dbg(ERROR, "kmalloc failed\n");
+       if (!arg_save)
                goto fail;
-       }
+
        arg_org = arg_save;
        memcpy(arg_save, arg, strlen(arg) + 1);
 
@@ -635,18 +634,14 @@ void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
        char *arg_save = NULL, *arg_org = NULL;
 
        arg_save = kstrdup(arg, GFP_ATOMIC);
-       if (!arg_save) {
-               brcmf_dbg(ERROR, "kmalloc failed\n");
+       if (!arg_save)
                goto fail;
-       }
 
        arg_org = arg_save;
 
        buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
-       if (!buf) {
-               brcmf_dbg(ERROR, "kmalloc failed\n");
+       if (!buf)
                goto fail;
-       }
 
        argv[i] = strsep(&arg_save, " ");
        while (argv[i++])
index cc8564a..659a9c2 100644 (file)
@@ -159,11 +159,8 @@ static void _brcmf_set_multicast_list(struct work_struct *work)
 
        buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN);
        bufp = buf = kmalloc(buflen, GFP_ATOMIC);
-       if (!bufp) {
-               brcmf_dbg(ERROR, "%s: out of memory for mcast_list, cnt %d\n",
-                         brcmf_ifname(&drvr_priv->pub, 0), cnt);
+       if (!bufp)
                return;
-       }
 
        strcpy(bufp, "mcast_list");
        bufp += strlen("mcast_list") + 1;
@@ -202,11 +199,9 @@ static void _brcmf_set_multicast_list(struct work_struct *work)
 
        buflen = sizeof("allmulti") + sizeof(allmulti);
        buf = kmalloc(buflen, GFP_ATOMIC);
-       if (!buf) {
-               brcmf_dbg(ERROR, "%s: out of memory for allmulti\n",
-                         brcmf_ifname(&drvr_priv->pub, 0));
+       if (!buf)
                return;
-       }
+
        allmulti_le = cpu_to_le32(allmulti);
 
        if (!brcmu_mkiovar
@@ -963,10 +958,8 @@ brcmf_add_if(struct brcmf_info *drvr_priv, int ifidx, struct net_device *net,
        ifp = drvr_priv->iflist[ifidx];
        if (!ifp) {
                ifp = kmalloc(sizeof(struct brcmf_if), GFP_ATOMIC);
-               if (!ifp) {
-                       brcmf_dbg(ERROR, "OOM - struct brcmf_if\n");
+               if (!ifp)
                        return -ENOMEM;
-               }
        }
 
        memset(ifp, 0, sizeof(struct brcmf_if));
@@ -1019,10 +1012,8 @@ struct brcmf_pub *brcmf_attach(struct brcmf_bus *bus, uint bus_hdrlen)
 
        /* Allocate primary brcmf_info */
        drvr_priv = kzalloc(sizeof(struct brcmf_info), GFP_ATOMIC);
-       if (!drvr_priv) {
-               brcmf_dbg(ERROR, "OOM - alloc brcmf_info\n");
+       if (!drvr_priv)
                goto fail;
-       }
 
        /*
         * Save the brcmf_info into the priv
index 66ab752..9f8bcb3 100644 (file)
@@ -2956,10 +2956,8 @@ static int brcmf_sdbrcm_mem_dump(struct brcmf_bus *bus)
        /* Get full mem size */
        size = bus->ramsize;
        buf = kmalloc(size, GFP_ATOMIC);
-       if (!buf) {
-               brcmf_dbg(ERROR, "Out of memory (%d bytes)\n", size);
+       if (!buf)
                return -1;
-       }
 
        /* Read mem content */
        printk(KERN_DEBUG "Dump dongle memory");
@@ -3013,7 +3011,6 @@ static int brcmf_sdbrcm_checkdied(struct brcmf_bus *bus, u8 *data, uint size)
                size = msize;
                mbuffer = data = kmalloc(msize, GFP_ATOMIC);
                if (mbuffer == NULL) {
-                       brcmf_dbg(ERROR, "kmalloc(%d) failed\n", msize);
                        bcmerror = -ENOMEM;
                        goto done;
                }
@@ -3021,7 +3018,6 @@ static int brcmf_sdbrcm_checkdied(struct brcmf_bus *bus, u8 *data, uint size)
 
        str = kmalloc(maxstrlen, GFP_ATOMIC);
        if (str == NULL) {
-               brcmf_dbg(ERROR, "kmalloc(%d) failed\n", maxstrlen);
                bcmerror = -ENOMEM;
                goto done;
        }
@@ -3737,8 +3733,6 @@ static int brcmf_sdbrcm_download_code_file(struct brcmf_bus *bus)
 
        memptr = memblock = kmalloc(MEMBLOCK + BRCMF_SDALIGN, GFP_ATOMIC);
        if (memblock == NULL) {
-               brcmf_dbg(ERROR, "Failed to allocate memory %d bytes\n",
-                         MEMBLOCK);
                ret = -ENOMEM;
                goto err;
        }
@@ -3837,8 +3831,6 @@ static int brcmf_sdbrcm_download_nvram(struct brcmf_bus *bus)
 
        memblock = kmalloc(MEMBLOCK, GFP_ATOMIC);
        if (memblock == NULL) {
-               brcmf_dbg(ERROR, "Failed to allocate memory %d bytes\n",
-                         MEMBLOCK);
                ret = -ENOMEM;
                goto err;
        }
@@ -4254,18 +4246,13 @@ static bool brcmf_sdbrcm_probe_malloc(struct brcmf_bus *bus)
                    roundup((bus->drvr->maxctl + SDPCM_HDRLEN),
                            ALIGNMENT) + BRCMF_SDALIGN;
                bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC);
-               if (!(bus->rxbuf)) {
-                       brcmf_dbg(ERROR, "kmalloc of %d-byte rxbuf failed\n",
-                                 bus->rxblen);
+               if (!(bus->rxbuf))
                        goto fail;
-               }
        }
 
        /* Allocate buffer to receive glomed packet */
        bus->databuf = kmalloc(MAX_DATA_BUF, GFP_ATOMIC);
        if (!(bus->databuf)) {
-               brcmf_dbg(ERROR, "kmalloc of %d-byte databuf failed\n",
-                         MAX_DATA_BUF);
                /* release rxbuf which was already located as above */
                if (!bus->rxblen)
                        kfree(bus->rxbuf);
@@ -4457,10 +4444,8 @@ brcmf_sdbrcm_chip_attach(struct brcmf_bus *bus, u32 regs)
 
        /* alloc chip_info_t */
        ci = kzalloc(sizeof(struct chip_info), GFP_ATOMIC);
-       if (NULL == ci) {
-               brcmf_dbg(ERROR, "malloc failed!\n");
+       if (NULL == ci)
                return -ENOMEM;
-       }
 
        /* bus/core/clk setup for register access */
        /* Try forcing SDIO core to do ALPAvail request only */
@@ -4785,10 +4770,9 @@ void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
 
        /* Allocate private bus interface state */
        bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC);
-       if (!bus) {
-               brcmf_dbg(ERROR, "kmalloc of struct dhd_bus failed\n");
+       if (!bus)
                goto fail;
-       }
+
        bus->sdiodev = sdiodev;
        sdiodev->bus = bus;
        bus->txbound = BRCMF_TXBOUND;
index 6acaaae..d0ae2b6 100644 (file)
@@ -2023,7 +2023,6 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_priv *cfg_priv,
 
        buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
        if (buf == NULL) {
-               WL_ERR("kzalloc() failed\n");
                err = -ENOMEM;
                goto CleanUp;
        }
@@ -2660,10 +2659,9 @@ static struct wireless_dev *brcmf_alloc_wdev(s32 sizeof_iface,
        s32 err = 0;
 
        wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
-       if (!wdev) {
-               WL_ERR("Could not allocate wireless device\n");
+       if (!wdev)
                return ERR_PTR(-ENOMEM);
-       }
+
        wdev->wiphy =
            wiphy_new(&wl_cfg80211_ops,
                      sizeof(struct brcmf_cfg80211_priv) + sizeof_iface);
@@ -3124,51 +3122,33 @@ static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_priv *cfg_priv)
 static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_priv *cfg_priv)
 {
        cfg_priv->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL);
-       if (!cfg_priv->scan_results) {
-               WL_ERR("Scan results alloc failed\n");
+       if (!cfg_priv->scan_results)
                goto init_priv_mem_out;
-       }
        cfg_priv->conf = kzalloc(sizeof(*cfg_priv->conf), GFP_KERNEL);
-       if (!cfg_priv->conf) {
-               WL_ERR("wl_conf alloc failed\n");
+       if (!cfg_priv->conf)
                goto init_priv_mem_out;
-       }
        cfg_priv->profile = kzalloc(sizeof(*cfg_priv->profile), GFP_KERNEL);
-       if (!cfg_priv->profile) {
-               WL_ERR("wl_profile alloc failed\n");
+       if (!cfg_priv->profile)
                goto init_priv_mem_out;
-       }
        cfg_priv->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
-       if (!cfg_priv->bss_info) {
-               WL_ERR("Bss information alloc failed\n");
+       if (!cfg_priv->bss_info)
                goto init_priv_mem_out;
-       }
        cfg_priv->scan_req_int = kzalloc(sizeof(*cfg_priv->scan_req_int),
                                         GFP_KERNEL);
-       if (!cfg_priv->scan_req_int) {
-               WL_ERR("Scan req alloc failed\n");
+       if (!cfg_priv->scan_req_int)
                goto init_priv_mem_out;
-       }
        cfg_priv->ioctl_buf = kzalloc(WL_IOCTL_LEN_MAX, GFP_KERNEL);
-       if (!cfg_priv->ioctl_buf) {
-               WL_ERR("Ioctl buf alloc failed\n");
+       if (!cfg_priv->ioctl_buf)
                goto init_priv_mem_out;
-       }
        cfg_priv->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
-       if (!cfg_priv->extra_buf) {
-               WL_ERR("Extra buf alloc failed\n");
+       if (!cfg_priv->extra_buf)
                goto init_priv_mem_out;
-       }
        cfg_priv->iscan = kzalloc(sizeof(*cfg_priv->iscan), GFP_KERNEL);
-       if (!cfg_priv->iscan) {
-               WL_ERR("Iscan buf alloc failed\n");
+       if (!cfg_priv->iscan)
                goto init_priv_mem_out;
-       }
        cfg_priv->pmk_list = kzalloc(sizeof(*cfg_priv->pmk_list), GFP_KERNEL);
-       if (!cfg_priv->pmk_list) {
-               WL_ERR("pmk list alloc failed\n");
+       if (!cfg_priv->pmk_list)
                goto init_priv_mem_out;
-       }
 
        return 0;
 
@@ -3210,10 +3190,8 @@ brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event,
        s32 err = 0;
 
        e = kzalloc(sizeof(struct brcmf_cfg80211_event_q), GFP_KERNEL);
-       if (!e) {
-               WL_ERR("event alloc failed\n");
+       if (!e)
                return -ENOMEM;
-       }
 
        e->etype = event;
        memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg));
@@ -3333,10 +3311,8 @@ struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev,
                return NULL;
        }
        cfg_dev = kzalloc(sizeof(struct brcmf_cfg80211_dev), GFP_KERNEL);
-       if (!cfg_dev) {
-               WL_ERR("wl_cfg80211_dev is invalid\n");
+       if (!cfg_dev)
                return NULL;
-       }
 
        wdev = brcmf_alloc_wdev(sizeof(struct brcmf_cfg80211_iface), busdev);
        if (IS_ERR(wdev)) {
index d221a3a..b94d60c 100644 (file)
@@ -227,11 +227,9 @@ struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc)
        int i;
 
        ampdu = kzalloc(sizeof(struct ampdu_info), GFP_ATOMIC);
-       if (!ampdu) {
-               wiphy_err(wlc->wiphy, "wl%d: brcms_c_ampdu_attach: out of mem"
-                         "\n", wlc->pub->unit);
+       if (!ampdu)
                return NULL;
-       }
+
        ampdu->wlc = wlc;
 
        for (i = 0; i < AMPDU_MAX_SCB_TID; i++)
index 29b51a1..c61c520 100644 (file)
@@ -110,11 +110,8 @@ struct antsel_info *brcms_c_antsel_attach(struct brcms_c_info *wlc)
        struct antsel_info *asi;
 
        asi = kzalloc(sizeof(struct antsel_info), GFP_ATOMIC);
-       if (!asi) {
-               wiphy_err(wlc->wiphy, "wl%d: brcms_c_antsel_attach: out of "
-                         "mem\n", wlc->pub->unit);
+       if (!asi)
                return NULL;
-       }
 
        asi->wlc = wlc;
        asi->pub = wlc->pub;
index af01c9d..a9defe2 100644 (file)
@@ -1090,11 +1090,8 @@ struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc)
        BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit);
 
        wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC);
-       if (wlc_cm == NULL) {
-               wiphy_err(wlc->wiphy, "wl%d: %s: out of memory", pub->unit,
-                         __func__);
+       if (wlc_cm == NULL)
                return NULL;
-       }
        wlc_cm->pub = pub;
        wlc_cm->wlc = wlc;
        wlc->cmi = wlc_cm;
index 06990b3..714c74c 100644 (file)
@@ -559,12 +559,8 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih,
 
        /* allocate private info structure */
        di = kzalloc(sizeof(struct dma_info), GFP_ATOMIC);
-       if (di == NULL) {
-#ifdef BCMDBG
-               printk(KERN_ERR "dma_attach: out of memory\n");
-#endif
+       if (di == NULL)
                return NULL;
-       }
 
        di->msg_level = msg_level ? msg_level : &dma_msg_level;
 
@@ -651,22 +647,16 @@ struct dma_pub *dma_attach(char *name, struct si_pub *sih,
        if (ntxd) {
                size = ntxd * sizeof(void *);
                di->txp = kzalloc(size, GFP_ATOMIC);
-               if (di->txp == NULL) {
-                       DMA_ERROR(("%s: dma_attach: out of tx memory\n",
-                                  di->name));
+               if (di->txp == NULL)
                        goto fail;
-               }
        }
 
        /* allocate rx packet pointer vector */
        if (nrxd) {
                size = nrxd * sizeof(void *);
                di->rxp = kzalloc(size, GFP_ATOMIC);
-               if (di->rxp == NULL) {
-                       DMA_ERROR(("%s: dma_attach: out of rx memory\n",
-                                  di->name));
+               if (di->rxp == NULL)
                        goto fail;
-               }
        }
 
        /*
index 65d30b5..32d7abf 100644 (file)
@@ -1541,11 +1541,8 @@ struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
        struct brcms_timer *t;
 
        t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
-       if (!t) {
-               wiphy_err(wl->wiphy, "wl%d: brcms_init_timer: out of memory\n",
-                         wl->pub->unit);
+       if (!t)
                return NULL;
-       }
 
        init_timer(&t->timer);
        t->timer.data = (unsigned long) t;
@@ -1659,11 +1656,9 @@ int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
                                pdata = wl->fw.fw_bin[i]->data +
                                        le32_to_cpu(hdr->offset);
                                *pbuf = kmalloc(len, GFP_ATOMIC);
-                               if (*pbuf == NULL) {
-                                       wiphy_err(wl->wiphy, "fail to alloc %d"
-                                                 " bytes\n", len);
+                               if (*pbuf == NULL)
                                        goto fail;
-                               }
+
                                memcpy(*pbuf, pdata, len);
                                return 0;
                        }
index a2cab5c..f5a2695 100644 (file)
@@ -245,9 +245,8 @@ struct pcicore_info *pcicore_init(struct si_pub *sih, struct pci_dev *pdev,
 
        /* alloc struct pcicore_info */
        pi = kzalloc(sizeof(struct pcicore_info), GFP_ATOMIC);
-       if (pi == NULL) {
+       if (pi == NULL)
                return NULL;
-       }
 
        pi->sih = sih;
        pi->dev = pdev;
index 31c9374..e0c19b6 100644 (file)
@@ -41,12 +41,9 @@ struct phy_shim_info *wlc_phy_shim_attach(struct brcms_hardware *wlc_hw,
        struct phy_shim_info *physhim = NULL;
 
        physhim = kzalloc(sizeof(struct phy_shim_info), GFP_ATOMIC);
-       if (!physhim) {
-               wiphy_err(wlc_hw->wlc->wiphy,
-                         "wl%d: wlc_phy_shim_attach: out of mem\n",
-                         wlc_hw->unit);
+       if (!physhim)
                return NULL;
-       }
+
        physhim->wlc_hw = wlc_hw;
        physhim->wlc = wlc;
        physhim->wl = wl;