diff options
author | Larry Finger <Larry.Finger@lwfinger.net> | 2011-09-01 12:23:21 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-09-06 16:36:00 -0700 |
commit | d7613e535e9892ff12aa31b3c62f1be839546ff9 (patch) | |
tree | 287ce7f645028d5b351581dd83ff65fc256edb6a /drivers/staging | |
parent | 2eed3dee92453c1798f0932613b1b66f0763ab2e (diff) | |
download | op-kernel-dev-d7613e535e9892ff12aa31b3c62f1be839546ff9.zip op-kernel-dev-d7613e535e9892ff12aa31b3c62f1be839546ff9.tar.gz |
staging: rtl8192e: Fix various problems noted by smatch
Smatch reports the following problems:
CHECK drivers/staging/rtl8192e/rtllib_softmac.c
drivers/staging/rtl8192e/rtllib_softmac.c +3143 rtllib_softmac_free(4) info: redundant null check on ieee->pDot11dInfo calling kfree()
CHECK drivers/staging/rtl8192e/rtllib_module.c
drivers/staging/rtl8192e/rtllib_module.c +198 free_rtllib(6) info: redundant null check on ieee->pHTInfo calling kfree()
CHECK drivers/staging/rtl8192e/rtl819x_TSProc.c
drivers/staging/rtl8192e/rtl819x_TSProc.c +280 SearchAdmitTRStream(52) error: potential null derefence 'pRet'.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/rtl8192e/rtl819x_TSProc.c | 2 | ||||
-rw-r--r-- | drivers/staging/rtl8192e/rtllib_module.c | 7 | ||||
-rw-r--r-- | drivers/staging/rtl8192e/rtllib_softmac.c | 6 |
3 files changed, 6 insertions, 9 deletions
diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c index 5323a9c..09a602f 100644 --- a/drivers/staging/rtl8192e/rtl819x_TSProc.c +++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c @@ -277,7 +277,7 @@ static struct ts_common_info *SearchAdmitTRStream(struct rtllib_device *ieee, break; } - if (&pRet->List != psearch_list) + if (pRet && &pRet->List != psearch_list) return pRet ; else return NULL; diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c index 0fe67a5..c36a140 100644 --- a/drivers/staging/rtl8192e/rtllib_module.c +++ b/drivers/staging/rtl8192e/rtllib_module.c @@ -194,10 +194,9 @@ void free_rtllib(struct net_device *dev) struct rtllib_device *ieee = (struct rtllib_device *) netdev_priv_rsl(dev); int i; - if (ieee->pHTInfo != NULL) { - kfree(ieee->pHTInfo); - ieee->pHTInfo = NULL; - } + + kfree(ieee->pHTInfo); + ieee->pHTInfo = NULL; rtllib_softmac_free(ieee); del_timer_sync(&ieee->crypt_deinit_timer); rtllib_crypt_deinit_entries(ieee, 1); diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index a420ed1..b508685 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -3139,10 +3139,8 @@ void rtllib_softmac_init(struct rtllib_device *ieee) void rtllib_softmac_free(struct rtllib_device *ieee) { down(&ieee->wx_sem); - if (NULL != ieee->pDot11dInfo) { - kfree(ieee->pDot11dInfo); - ieee->pDot11dInfo = NULL; - } + kfree(ieee->pDot11dInfo); + ieee->pDot11dInfo = NULL; del_timer_sync(&ieee->associate_timer); cancel_delayed_work(&ieee->associate_retry_wq); |