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由 Bhanusree Pola 提交于
Test for NULL as !x instead of NULL comparisions. Issue found using coccinelle Semantic patch used to solve the problem is as follows // <smpl> @@ expression x; statement S; @@ x = (\(kmalloc\|devm_kzalloc\|kmalloc_array\|devm_ioremap\| usb_alloc_urb\|alloc_netdev\|dev_alloc_skb\)(...)); -if(x==NULL) +if(!x) S @@ expression e; @@ -e == NULL +!e // </smpl> Signed-off-by: NBhanusree Pola <bhanusreemahesh@gmail.com> [ Gao Xiang: fix x != NULL comparision to x as well. ] Signed-off-by: NGao Xiang <gaoxiang25@huawei.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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