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Staging: comedi: no need for checking vfree call 

vfree() does it's own NULL checking,so no need for check before
calling it.

'pages' is local variable argment,so in v2, it is no need assignment
 to NULL.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Figo.zhang 2009-06-06 19:11:31 +08:00 committed by Greg Kroah-Hartman
parent 0a85b6f0ab
commit b455073c88
1 changed files with 2 additions and 3 deletions
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5
drivers/staging/comedi/drivers.c
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@ -509,9 +509,8 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
async->prealloc_buf =
vmap(pages, n_pages, VM_MAP, PAGE_KERNEL_NOCACHE);
}
if (pages) {
vfree(pages);
}
vfree(pages);
if (async->prealloc_buf == NULL) {
/* Some allocation failed above. */
if (async->buf_page_list) {