Messages in this thread Patch in this message | | | From | Rickard Strandqvist <> | Subject | [PATCH] video: fbdev: matrox: matroxfb_base.c: Fix for possible null pointer dereference | Date | Wed, 2 Jul 2014 23:45:51 +0200 |
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Fix a possible null pointer dereference, there is otherwise a risk of a possible null pointer dereference
This was found using a static code analysis program called cppcheck
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> --- drivers/video/fbdev/matrox/matroxfb_base.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c index 7116c53..85ef84b 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.c +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -1971,9 +1971,9 @@ static void matroxfb_register_device(struct matrox_fb_info* minfo) { int i = 0; list_add(&minfo->next_fb, &matroxfb_list); for (drv = matroxfb_driver_l(matroxfb_driver_list.next); - drv != matroxfb_driver_l(&matroxfb_driver_list); + drv && drv != matroxfb_driver_l(&matroxfb_driver_list); drv = matroxfb_driver_l(drv->node.next)) { - if (drv && drv->probe) { + if (drv->probe) { void *p = drv->probe(minfo); if (p) { minfo->drivers_data[i] = p; -- 1.7.10.4
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