diff mbox

[01/12,media] coda: check kasprintf return value in coda_open

Message ID 1424704813-20792-2-git-send-email-p.zabel@pengutronix.de (mailing list archive)
State New, archived
Headers show

Commit Message

Philipp Zabel Feb. 23, 2015, 3:20 p.m. UTC 
From: Peter Seiderer <ps.report@gmx.net>

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>
---
 drivers/media/platform/coda/coda-common.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 6f32e6d..c81af1b 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1621,6 +1621,11 @@  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);
 
@@ -1735,6 +1740,7 @@  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;