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video: omapdss: Fix potential null pointer dereference

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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>
This commit is contained in:
Sachin Kamat 2014-05-30 15:56:34 +05:30 committed by Tomi Valkeinen
parent 74c0554ac7
commit 06f7d79317
1 changed files with 5 additions and 3 deletions
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8
drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
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@ -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)