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Some functions return NULL as an indication of failure.
The style (!skb) is more common than (skb == NULL) for these
functions.
Found by the following Coccinelle script.
@@
identifier i;
statement S;
@@
i = (\(kmalloc\|devm_kzalloc\|kmalloc_array\|devm_ioremap\|usb_alloc_urb\|
alloc_netdev\|dev_alloc_skb\)(...));
(
-if (i == NULL)
+if (!i)
S
|
-if (NULL == i)
+if (!i)
S
)
Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
6561e82d93