From a7f933a56908587e30539d649a9ae808d0601bc5 Mon Sep 17 00:00:00 2001
From: Peter Seiderer <ps.report@gmx.net>
Date: Tue, 24 Mar 2015 14:30:47 -0300
Subject: [PATCH] [media] coda: check kasprintf return value in coda_open
kasprintf might fail if free memory is low.
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---
drivers/media/platform/coda/coda-common.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index ddbed9b4ae41..c82ce562d95a 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1628,6 +1628,11 @@ static int coda_open(struct file *file)
set_bit(idx, &dev->instance_mask);
name = kasprintf(GFP_KERNEL, "context%d", idx);
+ if (!name) {
+ ret = -ENOMEM;
+ goto err_coda_name_init;
+ }
+
ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
kfree(name);
@@ -1742,6 +1747,7 @@ static int coda_open(struct file *file)
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
clear_bit(ctx->idx, &dev->instance_mask);
+err_coda_name_init:
err_coda_max:
kfree(ctx);
return ret;
--
2.30.9