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![]() In pcm.c, if the NULL test on pcm is needed, then the dereference should be after the NULL test. In dummy.c and ali5451.c, the context of the calls to snd_card_dummy_new_mixer and snd_ali_free_voice show that dummy and pvoice, respectively cannot be NULL. A simplified version of the semantic match that detects this problem is as follows (http://coccinelle.lip6.fr/): // <smpl> @match exists@ expression x, E; identifier fld; @@ * x->fld ... when != \(x = E\|&x\) * x == NULL // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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.. | ||
mpu401 | ||
opl3 | ||
opl4 | ||
pcsp | ||
vx | ||
dummy.c | ||
Kconfig | ||
Makefile | ||
ml403-ac97cr.c | ||
mtpav.c | ||
mts64.c | ||
pcm-indirect2.c | ||
pcm-indirect2.h | ||
portman2x4.c | ||
serial-u16550.c | ||
virmidi.c |