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authorChristoph Fritz <chf.fritz@googlemail.com>2011-05-08 22:50:09 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-05-10 15:54:50 -0400
commitb53575ecf939a4f752de87eabf1adbcfa4478a6c (patch)
tree0e98918a3602d0abd1ff6bcc5dea9cef0763c99d /drivers/net/wireless/mwifiex/sdio.c
parent3ed3f49473985718ce51f84d990ed5b8b6472598 (diff)
mwifiex: fix null derefs, mem leaks and trivia
This patch: - adds kfree() where necessary - prevents potential null dereferences - makes use of kfree_skb() - replaces -1 for failed kzallocs with -ENOMEM Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com> Reviewed-by: Kiran Divekar <dkiran@marvell.com> Tested-by: Amitkumar Karwar <akarwar@marvell.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/sdio.c')
-rw-r--r--drivers/net/wireless/mwifiex/sdio.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 470dbaaeaa0..d425dbd91d1 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -68,6 +68,7 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
if (ret) {
pr_err("%s: failed to enable function\n", __func__);
+ kfree(card);
return -EIO;
}
@@ -676,7 +677,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
if (!fwbuf) {
dev_err(adapter->dev, "unable to alloc buffer for firmware."
" Terminating download\n");
- return -1;
+ return -ENOMEM;
}
/* Perform firmware data transfer */
@@ -1605,7 +1606,7 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
card->mp_regs = kzalloc(MAX_MP_REGS, GFP_KERNEL);
if (!card->mp_regs) {
dev_err(adapter->dev, "failed to alloc mp_regs\n");
- return -1;
+ return -ENOMEM;
}
ret = mwifiex_alloc_sdio_mpa_buffers(adapter,