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Julia Lawall d6f35e3f0d ALSA: sound/pci/pcxhr/pcxhr.c: introduce missing kfree and pci_disable_device ... Error handling code following a kzalloc should free the allocated data. The error handling code is adjusted to call pci_disable_device(pci); as well, as done later in the function 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: Takashi Iwai <tiwai@suse.de>		16 years ago
..
Makefile	…
pcxhr.c	ALSA: sound/pci/pcxhr/pcxhr.c: introduce missing kfree and pci_disable_device	16 years ago
pcxhr.h	[ALSA] semaphore -> mutex (PCI part)	19 years ago
pcxhr_core.c	ALSA: Kill snd_assert() in sound/pci/*	17 years ago
pcxhr_core.h	IRQ: Maintain regs pointer globally rather than passing to IRQ handlers	19 years ago
pcxhr_hwdep.c	ALSA: Kill snd_assert() in sound/pci/*	17 years ago
pcxhr_hwdep.h	…
pcxhr_mixer.c	[ALSA] Remove sound/driver.h	17 years ago
pcxhr_mixer.h	…