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video: fbdev: s3fb.c: Fix for possible null pointer dereference

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There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Rickard Strandqvist 2014-05-20 23:37:32 +02:00 • committed by Tomi Valkeinen
parent d9a5f87c8f
commit 0c641bff31
1 changed files with 2 additions and 1 deletions
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3
drivers/video/fbdev/s3fb.c
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@ -1401,9 +1401,10 @@ err_enable_device:
static void s3_pci_remove(struct pci_dev *dev) static void s3_pci_remove(struct pci_dev *dev)
{ {
struct fb_info *info = pci_get_drvdata(dev); struct fb_info *info = pci_get_drvdata(dev);
struct s3fb_info __maybe_unused *par = info->par; struct s3fb_info __maybe_unused *par;
if (info) { if (info) {
par = info->par;
#ifdef CONFIG_MTRR #ifdef CONFIG_MTRR
if (par->mtrr_reg >= 0) { if (par->mtrr_reg >= 0) {