drivers/staging: delete double assignment

Delete successive assignments to the same location.  In three of the cases,
the two assignments are identical.  In the case of the file
rt2860/common/cmm_aes.c, the assigned variable i is never used, so both
assignments are dropped.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression i;
@@

*i = ...;
 i = ...;
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
index 87a6487..20d5098 100644 (file)
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
@@ -286,7 +286,6 @@ int ft1000_CreateDevice(struct ft1000_device *dev)
     pid = kernel_thread (exec_mknod, (void *)info, 0);
 
     // initialize application information
-    info->appcnt = 0;
 
 //    if (ft1000_flarion_cnt == 0) {
 //

diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c
index 702a478..a99e900 100644 (file)
--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -211,9 +211,6 @@ static void heartbeat_onchannelcallback(void *context)
                DPRINT_DBG(VMBUS, "heartbeat packet: len=%d, requestid=%lld",
                           recvlen, requestid);
 
-               icmsghdrp = (struct icmsg_hdr *)&buf[
-                       sizeof(struct vmbuspipe_hdr)];
-
                icmsghdrp = (struct icmsg_hdr *)&buf[
                                sizeof(struct vmbuspipe_hdr)];
 

diff --git a/drivers/staging/rt2860/common/cmm_aes.c b/drivers/staging/rt2860/common/cmm_aes.c
index 1d159ff..a99879b 100644 (file)
--- a/drivers/staging/rt2860/common/cmm_aes.c
+++ b/drivers/staging/rt2860/common/cmm_aes.c
@@ -330,8 +330,6 @@ void construct_mic_iv(unsigned char *mic_iv,
        for (i = 8; i < 14; i++)
                mic_iv[i] = pn_vector[13 - i];  /* mic_iv[8:13] = PN[5:0] */
 #endif
-       i = (payload_length / 256);
-       i = (payload_length % 256);
        mic_iv[14] = (unsigned char)(payload_length / 256);
        mic_iv[15] = (unsigned char)(payload_length % 256);
 

diff --git a/drivers/staging/westbridge/astoria/api/src/cyasusb.c b/drivers/staging/westbridge/astoria/api/src/cyasusb.c
index 5a21970..7777d9a 100644 (file)
--- a/drivers/staging/westbridge/astoria/api/src/cyasusb.c
+++ b/drivers/staging/westbridge/astoria/api/src/cyasusb.c
@@ -1417,7 +1417,6 @@ cy_as_usb_set_enum_config(cy_as_device_handle handle,
         */
        bus_mask   = 0;
        media_mask = 0;
-       media_mask = 0;
        for (bus = 0; bus < CY_AS_MAX_BUSES; bus++) {
                for (device = 0; device < CY_AS_MAX_STORAGE_DEVICES; device++) {
                        if (config_p->devices_to_enumerate[bus][device] ==