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authorJulia Lawall <julia@diku.dk>2008-10-13 21:59:04 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-14 10:23:27 -0700
commit79aa79bac979323a8cb10438be16d29cf252167d (patch)
tree88dd571315fb473a45e47cc42ea0a4315726407d /include/linux/netdevice.h
parent56f26f7b78af36d0f048a9403084870d2ffb549f (diff)
arch/m68k/mm/kmap.c: introduce missing kfree
Error handling code following a kmalloc should free the allocated data. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,l; position p1,p2; expression *ptr != NULL; @@ ( if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S | x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); .. if (x == NULL) S ) <... when != x when != if (...) { <+...x...+> } x->f = E ..> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/netdevice.h')
0 files changed, 0 insertions, 0 deletions