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Staging: irda: Use !x instead of NULL comparison

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Test for NULL as !x where functions that return NULL on failure
are used. Done using the following semantic patch by coccinelle.

@ is_null @
expression E;
statement S;
@@

E = (\(kmalloc\|devm_kzalloc\|kmalloc_array\|devm_ioremap\|
usb_alloc_urb\|alloc_netdev\|dev_alloc_skb\)(...));

(
if(!E)
   S
|
-if(E==NULL)
+if(!E)
    S
)

Signed-off-by: Srishti Sharma <[email protected]>
Acked-by: Julia Lawall <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Srishti Sharma 2017-09-16 12:04:27 +05:30 • committed by Greg Kroah-Hartman
commit af9cdf9571
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/irda/net/discovery.c
View file

@ -179,7 +179,7 @@ void irlmp_expire_discoveries(hashbin_t *log, __u32 saddr, int force)
/* Create the client specific buffer */
n = HASHBIN_GET_SIZE(log);
buffer = kmalloc(n * sizeof(struct irda_device_info), GFP_ATOMIC);
if (buffer == NULL) {
if (!buffer) {
spin_unlock_irqrestore(&log->hb_spinlock, flags);
return;
}
@ -291,7 +291,7 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn,
/* Create the client specific buffer */
n = HASHBIN_GET_SIZE(log);
buffer = kmalloc(n * sizeof(struct irda_device_info), GFP_ATOMIC);
if (buffer == NULL) {
if (!buffer) {
spin_unlock_irqrestore(&log->hb_spinlock, flags);
return NULL;
}