From 9d7e7af2818ec88bc6973837c67ef8cf59df7e48 Mon Sep 17 00:00:00 2001 From: John Stultz Date: Mon, 21 Oct 2013 09:58:07 -0700 Subject: [PATCH] staging: ashmem: Fix ASHMEM_PURGE_ALL_CACHES return value commit 5957324045ba2c127c9401fa3ac61ac52e043ca8 upstream. Hopefully this isn't too late for 3.12. In commit 7dc19d5aff (convert shrinkers to new count/scan API) the return value to PURGE_ALL_CACHES was dropped, causing -EPERM to always be returned. This patch re-adds the ret assignment, setting it to the the ashmem_shrink_count(), which is the lru_count. (Sorry this was missed in the review!) Fixes: 7dc19d5affd7 ("convert shrinkers to new count/scan API") Cc: Colin Cross Cc: Android Kernel Team Cc: Glauber Costa Reported-by: YongQin Liu Signed-off-by: John Stultz Acked-by: Dave Chinner Signed-off-by: Greg Kroah-Hartman --- drivers/staging/android/ashmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 8e76ddc..5a5e9c9 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -706,7 +706,7 @@ static long ashmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg) .gfp_mask = GFP_KERNEL, .nr_to_scan = LONG_MAX, }; - + ret = ashmem_shrink_count(&ashmem_shrinker, &sc); nodes_setall(sc.nodes_to_scan); ashmem_shrink_scan(&ashmem_shrinker, &sc); } -- 2.7.4