[PATCH] video: fbdev: grvga.c: Fix for possible null pointer dereference

From: Rickard Strandqvist
Date: Tue May 20 2014 - 17:35:22 EST


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@xxxxxxxxxxxxxxxxxx>
---
drivers/video/fbdev/grvga.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/grvga.c b/drivers/video/fbdev/grvga.c
index c078701..2db5bb1 100644
--- a/drivers/video/fbdev/grvga.c
+++ b/drivers/video/fbdev/grvga.c
@@ -514,9 +514,10 @@ free_fb:
static int grvga_remove(struct platform_device *device)
{
struct fb_info *info = dev_get_drvdata(&device->dev);
- struct grvga_par *par = info->par;
+ struct grvga_par *par;

if (info) {
+ par = info->par;
unregister_framebuffer(info);
fb_dealloc_cmap(&info->cmap);

--
1.7.10.4

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