From: Julia Lawall Date: Sat, 15 May 2010 21:15:10 +0000 (+0200) Subject: drivers/net/wireless/wl12xx: Use kmemdup X-Git-Tag: master-2011-01-17~24 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=59a4419a693dc302ec1fba759fe209ac8f3f8cf0;p=pandora-wifi.git drivers/net/wireless/wl12xx: Use kmemdup Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ - to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || ...) S - memcpy(to, from, size); // Signed-off-by: Julia Lawall Acked-by: Kalle Valo Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index 78f6e7f..7d8ec43 100644 --- a/drivers/net/wireless/wl12xx/wl1251_main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -126,7 +126,7 @@ static int wl1251_fetch_nvs(struct wl1251 *wl) } wl->nvs_len = fw->size; - wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); + wl->nvs = kmemdup(fw->data, wl->nvs_len, GFP_KERNEL); if (!wl->nvs) { wl1251_error("could not allocate memory for the nvs file"); @@ -134,8 +134,6 @@ static int wl1251_fetch_nvs(struct wl1251 *wl) goto out; } - memcpy(wl->nvs, fw->data, wl->nvs_len); - ret = 0; out: