diff options
| author | Jesper Juhl <jj@chaosbits.net> | 2012-01-08 22:41:21 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-10 20:46:40 (GMT) |
| commit | c40701eacbaebcfe3fb6fac8ef3da653021c212c (patch) | |
| tree | 8b602862745a4988a7652b55c50770d0bfc4471c /drivers/net/wireless/brcm80211 | |
| parent | e4922f2b5f1c2b3daa80b56a6eeca984cbee0dde (diff) | |
| download | linux-c40701eacbaebcfe3fb6fac8ef3da653021c212c.tar.xz | |
brcm80211: Don't leak 'vbuffer' in brcmf_sdbrcm_write_vars()
If the memory allocation 'nvram_ularray = kmalloc(varsize,
GFP_ATOMIC);' fails we'll leak the memory allocated to 'vbuffer' when
we return -ENOMEM from the function.
This patch resolves the leak by kfree()'ing the allocated memory
before the return.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 5a002a2..f7eeee1 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -3119,8 +3119,10 @@ static int brcmf_sdbrcm_write_vars(struct brcmf_sdio *bus) /* Verify NVRAM bytes */ brcmf_dbg(INFO, "Compare NVRAM dl & ul; varsize=%d\n", varsize); nvram_ularray = kmalloc(varsize, GFP_ATOMIC); - if (!nvram_ularray) + if (!nvram_ularray) { + kfree(vbuffer); return -ENOMEM; + } /* Upload image to verify downloaded contents. */ memset(nvram_ularray, 0xaa, varsize); |