[PATCH v2] staging: ks7010_sdio: fix memory leak

From: Gustavo A. R. Silva
Date: Thu Apr 12 2018 - 11:23:53 EST


Memory allocated for netdev at line 854:
netdev = alloc_etherdev(sizeof(*priv));
is not being free'd before return, hence
there is a memory leak.

Fix this by freeing netdev before return.

Addresses-Coverity-ID: 1467844
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
Changes in v2:
- Update subject and commit changelog.
- Just directly free netdev. Thanks to Dan Carpenter for the feedback.

drivers/staging/ks7010/ks7010_sdio.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
index b8f55a1..2c9b92c 100644
--- a/drivers/staging/ks7010/ks7010_sdio.c
+++ b/drivers/staging/ks7010/ks7010_sdio.c
@@ -932,8 +932,7 @@ static int ks7010_sdio_probe(struct sdio_func *func,
return 0;

err_free_netdev:
- free_netdev(priv->net_dev);
- card->priv = NULL;
+ free_netdev(netdev);
err_release_irq:
sdio_claim_host(func);
sdio_release_irq(func);
--
2.7.4