Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 793b6233 authored by Jesper Juhl's avatar Jesper Juhl Committed by Greg Kroah-Hartman
Browse files

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: default avatarJesper Juhl <jj@chaosbits.net>
Acked-by: default avatarDavid Vrabel <david.vrabel@csr.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 886ccd45

drivers/uwb/allocator.c

+2 −1
Original line number Diff line number Diff line
@@ -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;