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staging: ion: debugfs invalid gfp mask 

The current code attempts assignment of -1 to an unsigned type. Note that
in a downstream function ion_page_pool_shrink this mask is only ever
evaluated against __GFP_HIGHMEM
(drivers/staging/android/ion/ion_page_pool.c, line 125).

Signed-off-by: Derek Yerger <dy@drexel.edu>
Reviewed-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Derek Yerger 2016-03-11 17:31:18 -05:00 committed by Greg Kroah-Hartman
parent 80f10bcc7f
commit 3b0ae7bee0
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/android/ion/ion.c
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@ -1555,7 +1555,7 @@ static int debug_shrink_set(void *data, u64 val)
struct shrink_control sc;
int objs;
sc.gfp_mask = -1;
sc.gfp_mask = GFP_HIGHUSER;
sc.nr_to_scan = val;
if (!val) {
@ -1573,7 +1573,7 @@ static int debug_shrink_get(void *data, u64 *val)
struct shrink_control sc;
int objs;
sc.gfp_mask = -1;
sc.gfp_mask = GFP_HIGHUSER;
sc.nr_to_scan = 0;
objs = heap->shrinker.count_objects(&heap->shrinker, &sc);