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

[Philipp Zabel]

From: Peter Seiderer <ps.rep...@gmx.net>

kasprintf might fail if free memory is low.

Signed-off-by: Peter Seiderer <ps.rep...@gmx.net>
Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
 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 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;
-- 
2.1.4

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