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9f9857bb5e
Error handling code following a kzalloc 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,f1,l; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } ( x->f1 = E | (x->f1 == NULL || ...) | f(...,x->f1,...) ) ...> ( 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: John W. Linville <linville@tuxdriver.com> |
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bus.h | ||
cfg80211.c | ||
cfg80211.h | ||
commands.c | ||
commands.h | ||
debug.h | ||
debugfs.c | ||
eeprom.c | ||
eeprom.h | ||
fw.c | ||
fw.h | ||
hal.c | ||
hal.h | ||
iwm.h | ||
Kconfig | ||
lmac.h | ||
main.c | ||
Makefile | ||
netdev.c | ||
rx.c | ||
rx.h | ||
sdio.c | ||
sdio.h | ||
tx.c | ||
umac.h | ||
wext.c |