[PATCH 1/3] staging: rtl8192e: Standardize test for NULL.
Elise Lennion
elise.lennion at gmail.com
Sat Oct 29 00:29:21 UTC 2016
The test for NULL of the return variable of functions was changed from
(ret == NULL) to !ret to match the standard.
Coccinelle was used with semantic patch:
@@
expression e;
identifier id, f;
statement S;
@@
f(...) { <+...
id =
\(kmalloc\|devm_kzalloc\|kmalloc_array\|devm_ioremap
\|usb_alloc_urb\|alloc_netdev\|dev_alloc_skb\) (...)
... when any
when != id = e
+ if (!id)
- if (\(NULL == id\|id == NULL\))
S
...+> }
Signed-off-by: Elise Lennion <elise.lennion at gmail.com>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c
index f9003a2..757ffd4 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c
@@ -49,7 +49,7 @@ bool rtl92e_send_cmd_pkt(struct net_device *dev, u32 type, const void *data,
else
skb = dev_alloc_skb(frag_length + 4);
- if (skb == NULL) {
+ if (!skb) {
rt_status = false;
goto Failed;
}
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index d6777ec..d67e3f3 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -130,7 +130,7 @@ rtllib_frag_cache_get(struct rtllib_device *ieee,
ETH_ALEN /* WDS */ +
/* QOS Control */
(RTLLIB_QOS_HAS_SEQ(fc) ? 2 : 0));
- if (skb == NULL)
+ if (!skb)
return NULL;
entry = &ieee->frag_cache[tid][ieee->frag_next_idx[tid]];
@@ -1430,7 +1430,7 @@ static int rtllib_rx_InfraAdhoc(struct rtllib_device *ieee, struct sk_buff *skb,
/* skb: hdr + (possible reassembled) full plaintext payload */
payload = skb->data + hdrlen;
rxb = kmalloc(sizeof(struct rtllib_rxb), GFP_ATOMIC);
- if (rxb == NULL)
+ if (!rxb)
goto rx_dropped;
/* to parse amsdu packets */
--
2.7.4
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