Author: Bhumika Goyal <bhumirks@gmail.com> Some functions return Null as their return value on failure. !x is generally preferred over x==NULL or NULL==x. So make use of !x if the value returned on failure is NULL. Done using coccinelle: @@ expression e; statement S; @@ e = \(kmalloc\|devm_kzalloc\|kmalloc_array \|devm_ioremap\|usb_alloc_urb\|alloc_netdev\)(…); – if(e==NULL) + if(!e) S Signed-off-by: Bhumika …
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