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[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>
This commit is contained in:
Peter Seiderer 2015-03-24 14:30:47 -03:00 committed by Mauro Carvalho Chehab
parent 92b042eced
commit a7f933a569
1 changed files with 6 additions and 0 deletions
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6
drivers/media/platform/coda/coda-common.c
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@ -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;