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authorSachin Kamat <sachin.kamat@linaro.org>2014-05-30 15:56:34 +0530
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-06-26 14:40:15 +0300
commit06f7d7931752ee1bd0903a38b1086c7ea5e10cdf (patch)
treef8045e472d9bd56d5c4f0bb11de25b194b4dd00a /drivers/video
parent74c0554ac79ef5aecfeb087bc08771363b221c99 (diff)
video: omapdss: Fix potential null pointer dereference
kmalloc can return null. Add a check to avoid potential null pointer dereference error when the pointer is accessed later. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/omap2/dss/omapdss-boot-init.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
index 99af9e88b2d8..2f0822ee3ff9 100644
--- a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
+++ b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
@@ -121,9 +121,11 @@ static void __init omapdss_add_to_list(struct device_node *node, bool root)
{
struct dss_conv_node *n = kmalloc(sizeof(struct dss_conv_node),
GFP_KERNEL);
- n->node = node;
- n->root = root;
- list_add(&n->list, &dss_conv_list);
+ if (n) {
+ n->node = node;
+ n->root = root;
+ list_add(&n->list, &dss_conv_list);
+ }
}
static bool __init omapdss_list_contains(const struct device_node *node)