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entry was tested for NULL near the beginning of the function, followed by a return, and there is no intervening modification of its value. A simplified version of the semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( *x == NULL | *x != NULL ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Paul Moore <paul.moore@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Kconfig | ||
Makefile | ||
netlabel_addrlist.c | ||
netlabel_addrlist.h | ||
netlabel_cipso_v4.c | ||
netlabel_cipso_v4.h | ||
netlabel_domainhash.c | ||
netlabel_domainhash.h | ||
netlabel_kapi.c | ||
netlabel_mgmt.c | ||
netlabel_mgmt.h | ||
netlabel_unlabeled.c | ||
netlabel_unlabeled.h | ||
netlabel_user.c | ||
netlabel_user.h |