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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 10:46:08 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 10:46:08 -0500
commitcd6a22310ec2a70092e136d0cd65bb77c1502521 (patch)
treec01fa788b27b240c7b426d7f329d92bd58c7b8f5 /fs/aio.c
parent1e12a521d6917004f8b95a3b5864b92edc2694c8 (diff)
parent177c459b08a34dcf004aa9a4c1f1d8be682ff3af (diff)
Merge USB 4.20-rc8 mergepoint into usb-next
We need the USB changes in here for additional patches to be able to apply cleanly. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 97f983592925..aac9659381d2 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -45,6 +45,7 @@
45 45
46#include <asm/kmap_types.h> 46#include <asm/kmap_types.h>
47#include <linux/uaccess.h> 47#include <linux/uaccess.h>
48#include <linux/nospec.h>
48 49
49#include "internal.h" 50#include "internal.h"
50 51
@@ -1038,6 +1039,7 @@ static struct kioctx *lookup_ioctx(unsigned long ctx_id)
1038 if (!table || id >= table->nr) 1039 if (!table || id >= table->nr)
1039 goto out; 1040 goto out;
1040 1041
1042 id = array_index_nospec(id, table->nr);
1041 ctx = rcu_dereference(table->table[id]); 1043 ctx = rcu_dereference(table->table[id]);
1042 if (ctx && ctx->user_id == ctx_id) { 1044 if (ctx && ctx->user_id == ctx_id) {
1043 if (percpu_ref_tryget_live(&ctx->users)) 1045 if (percpu_ref_tryget_live(&ctx->users))