[media] coda: check kasprintf return value in coda_open

kasprintf might fail if free memory is low.

Signed-off-by: Peter Seiderer <[email protected]>
Signed-off-by: Philipp Zabel <[email protected]>
Signed-off-by: Kamil Debski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Peter Seiderer 2015-03-24 14:30:47 -03:00 • committed by Mauro Carvalho Chehab
commit a7f933a569

View file

@ -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;