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