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UWB: Return UWB_RSV_ALLOC_NOT_FOUND rather than crashing on NULL dereference if kzalloc fails 

Crashing on a null pointer deref is never a nice thing to do. It seems
to me that it's better to simply return UWB_RSV_ALLOC_NOT_FOUND if
kzalloc() fails in uwb_rsv_find_best_allocation().

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jesper Juhl 2010-11-07 22:04:43 +01:00 committed by Greg Kroah-Hartman
parent 886ccd4520
commit 793b62337e
1 changed files with 2 additions and 1 deletions
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3
drivers/uwb/allocator.c
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@ -326,7 +326,8 @@ int uwb_rsv_find_best_allocation(struct uwb_rsv *rsv, struct uwb_mas_bm *availab
int bit_index;
ai = kzalloc(sizeof(struct uwb_rsv_alloc_info), GFP_KERNEL);
if (!ai)
return UWB_RSV_ALLOC_NOT_FOUND;
ai->min_mas = rsv->min_mas;
ai->max_mas = rsv->max_mas;
ai->max_interval = rsv->max_interval;