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authorAditya Pakki <pakki001@umn.edu>2019-04-01 17:46:57 +0200
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2019-04-01 17:46:57 +0200
commit31fa6e2ae65feed0de10823c5d1eea21a93086c9 (patch)
treeac5fae2abc5443664c42fb59b3ab8f77272ca6fc /drivers/video
parent17de805aa69e594785592f08ea08c85602432bb9 (diff)
omapfb: Fix potential NULL pointer dereference in kmalloc
Memory allocated, using kmalloc, for new_compat may fail. This patch checks for such an error and prevents potential NULL pointer dereference. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Cc: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c b/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c
index cb6acbac9c47..5da7ed6d653e 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c
@@ -111,6 +111,8 @@ static void __init omapdss_omapify_node(struct device_node *node)
new_len = prop->length + strlen(prefix) * num_strs;
new_compat = kmalloc(new_len, GFP_KERNEL);
+ if (!new_compat)
+ return;
omapdss_prefix_strcpy(new_compat, new_len, prop->value, prop->length);