From: Peter Seiderer <ps.report@gmx.net>
Date: Tue, 24 Mar 2015 17:30:47 +0000 (-0300)
Subject: [media] coda: check kasprintf return value in coda_open
X-Git-Tag: v4.1-rc1~59^2~1^2~15
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a7f933a56908587e30539d649a9ae808d0601bc5;p=karo-tx-linux.git

[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>
---

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 @@ err_pm_get:
 	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;