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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; expression E; identifier f,f1; position p1,p2; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); <... when != x when != if (...) { <+...x...+> } when != (x) == NULL when != (x) != NULL when != (x) == 0 when != (x) != 0 ( x->f1 = E | (x->f1 == NULL || ...) | f(...,x->f1,...) ) ...> ( return <+...x...+>; | 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> Acked-by: jack wang <jack_wang@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de> |
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| .. | ||
| Makefile | ||
| pm8001_chips.h | ||
| pm8001_ctl.c | ||
| pm8001_ctl.h | ||
| pm8001_defs.h | ||
| pm8001_hwi.c | ||
| pm8001_hwi.h | ||
| pm8001_init.c | ||
| pm8001_sas.c | ||
| pm8001_sas.h | ||