From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 25 Sep 2016 12:26:38 +0200
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The script "checkpatch.pl" can point information out like the following.
Comparison to NULL could be written !…
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/isdn/capi/capidrv.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index bd614e3..83f756d 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -334,8 +334,7 @@ static capidrv_plci *new_plci(capidrv_contr *card, int chan)
capidrv_plci *plcip;
plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC);
-
- if (plcip == NULL)
+ if (!plcip)
return NULL;
plcip->state = ST_PLCI_NONE;
@@ -403,8 +402,7 @@ static inline capidrv_ncci *new_ncci(capidrv_contr *card,
capidrv_ncci *nccip;
nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
-
- if (nccip == NULL)
+ if (!nccip)
return NULL;
nccip->ncci = ncci;
@@ -757,7 +755,7 @@ static inline int new_bchan(capidrv_contr *card)
{
int i;
for (i = 0; i < card->nbchan; i++) {
- if (card->bchans[i].plcip == NULL) {
+ if (!card->bchans[i].plcip) {
card->bchans[i].disconnecting = 0;
return i;
}
@@ -2192,7 +2190,7 @@ static void enable_dchannel_trace(capidrv_contr *card)
card->name, errcode);
return;
}
- if (strstr(manufacturer, "AVM") == NULL) {
+ if (!strstr(manufacturer, "AVM")) {
printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
card->name, manufacturer);
return;
--
2.10.0
--
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