diff options
| author | Martin Kaiser <martin@kaiser.cx> | 2021-10-19 22:23:56 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-20 19:35:52 +0200 |
| commit | 26f448371820cf733c827c11f0c77ce304a29b51 (patch) | |
| tree | 845af16be41a182d32fce62a23cd60d0c31f49b2 /drivers/staging/r8188eu | |
| parent | c052cc1a069c3e575619cf64ec427eb41176ca70 (diff) | |
staging: r8188eu: fix memleak in rtw_wx_set_enc_ext
Free the param struct if the caller sets an unsupported algorithm
and we return an error.
Fixes: 2b42bd58b321 ("staging: r8188eu: introduce new os_dep dir for RTL8188eu driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20211019202356.12572-1-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/r8188eu')
| -rw-r--r-- | drivers/staging/r8188eu/os_dep/ioctl_linux.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c index 4f0ae821d193..4e51d5a55985 100644 --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c @@ -1897,7 +1897,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev, struct ieee_param *param = NULL; struct iw_point *pencoding = &wrqu->encoding; struct iw_encode_ext *pext = (struct iw_encode_ext *)extra; - int ret = 0; + int ret = -1; param_len = sizeof(struct ieee_param) + pext->key_len; param = kzalloc(param_len, GFP_KERNEL); @@ -1923,7 +1923,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev, alg_name = "CCMP"; break; default: - return -1; + goto out; } strlcpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN); @@ -1950,6 +1950,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev, ret = wpa_set_encryption(dev, param, param_len); +out: kfree(param); return ret; } |