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[PATCH] coverity: fix fbsysfs null pointer check

Correctly test for a null pointer before going and dereferencing it.

This defect was found automatically by Coverity Prevent, a static analysis
tool.

Signed-off-by: Zaur Kambarov <zkambarov@coverity.com>
Cc: <linux-fbdev-devel@lists.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
KAMBAROV, ZAUR 20 anni fa
parent
commit
8f96c95680
1 ha cambiato i file con 1 aggiunte e 1 eliminazioni
  1. 1 1
      drivers/video/fbsysfs.c

+ 1 - 1
drivers/video/fbsysfs.c

@@ -256,7 +256,7 @@ static ssize_t show_cmap(struct class_device *class_device, char *buf)
 	unsigned int offset = 0, i;
 
 	if (!fb_info->cmap.red || !fb_info->cmap.blue ||
-	    fb_info->cmap.green || fb_info->cmap.transp)
+	    !fb_info->cmap.green || !fb_info->cmap.transp)
 		return -EINVAL;
 
 	for (i = 0; i < fb_info->cmap.len; i++) {