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authorDavid S. Miller <davem@davemloft.net>2020-02-21 13:39:34 -0800
committerDavid S. Miller <davem@davemloft.net>2020-02-21 13:39:34 -0800
commite65ee2fb54d4745d7b7d9061d7fe33c5c5bf3b06 (patch)
tree04b1728c397ad4604a6163529f51dfd48dfdbc07 /lib/stackdepot.c
parentb4d9785ce5c035b672f25df56706d0ff4e68b74e (diff)
parent0c0ddd6ae47c9238c18f475bcca675ca74c9dc31 (diff)
downloadlinux-e65ee2fb54d4745d7b7d9061d7fe33c5c5bf3b06.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflict resolution of ice_virtchnl_pf.c based upon work by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/stackdepot.c')
-rw-r--r--lib/stackdepot.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index ed717dd08ff3..81c69c08d1d1 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -83,15 +83,19 @@ static bool init_stack_slab(void **prealloc)
return true;
if (stack_slabs[depot_index] == NULL) {
stack_slabs[depot_index] = *prealloc;
+ *prealloc = NULL;
} else {
- stack_slabs[depot_index + 1] = *prealloc;
+ /* If this is the last depot slab, do not touch the next one. */
+ if (depot_index + 1 < STACK_ALLOC_MAX_SLABS) {
+ stack_slabs[depot_index + 1] = *prealloc;
+ *prealloc = NULL;
+ }
/*
* This smp_store_release pairs with smp_load_acquire() from
* |next_slab_inited| above and in stack_depot_save().
*/
smp_store_release(&next_slab_inited, 1);
}
- *prealloc = NULL;
return true;
}