Commit 31fa6e2a authored Apr 01, 2019 by Aditya Pakki Committed by Bartlomiej Zolnierkiewicz Apr 01, 2019

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>

parent 17de805a

drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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);

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