Re: [PATCH 07/13] maestro3 vfree NULL check fixup

From: Jesper Juhl
Date: Fri Feb 24 2006 - 16:14:49 EST


On Friday 24 February 2006 22:09, Zach Brown wrote:
> Jesper Juhl wrote:
> > vfree() checks for NULL, no need to do it explicitly.
>
> > static void free_dsp_suspendmem(struct m3_card *card)
> > {
> > - if(card->suspend_mem)
> > - vfree(card->suspend_mem);
> > + vfree(card->suspend_mem);
> > }
>
> eh, I'd just get rid of the helper and call vfree() from both sites.
>
makes perfect sense, I just looked for vfree use - should have checked more
in-depth.

Here's an updated patch :



Don't check pointers for NULL before calling vfree and get rid
of pointless helper function in sound/oss/maestro3.c


Signed-off-by: Jesper Juhl <jesper.juhl@xxxxxxxxx>
---

sound/oss/maestro3.c | 10 ++--------
1 files changed, 2 insertions(+), 8 deletions(-)

--- linux-2.6.16-rc4-mm2-orig/sound/oss/maestro3.c 2006-02-24 19:25:49.000000000 +0100
+++ linux-2.6.16-rc4-mm2/sound/oss/maestro3.c 2006-02-24 22:12:27.000000000 +0100
@@ -2582,15 +2582,9 @@ static int alloc_dsp_suspendmem(struct m

return 0;
}
-static void free_dsp_suspendmem(struct m3_card *card)
-{
- if(card->suspend_mem)
- vfree(card->suspend_mem);
-}

#else
#define alloc_dsp_suspendmem(args...) 0
-#define free_dsp_suspendmem(args...)
#endif

/*
@@ -2717,7 +2711,7 @@ out:
if(ret) {
if(card->iobase)
release_region(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0));
- free_dsp_suspendmem(card);
+ vfree(card);
if(card->ac97) {
unregister_sound_mixer(card->ac97->dev_mixer);
kfree(card->ac97);
@@ -2760,7 +2754,7 @@ static void m3_remove(struct pci_dev *pc
}

release_region(card->iobase, 256);
- free_dsp_suspendmem(card);
+ vfree(card);
kfree(card);
}
devs = NULL;



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