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Diffstat (limited to 'kernel/user_namespace.c')
-rw-r--r--kernel/user_namespace.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index ce4d99df5f0e..aa0b2e47f2f2 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -853,9 +853,8 @@ static int sort_idmaps(struct uid_gid_map *map)
cmp_extents_forward, NULL);
/* Only copy the memory from forward we actually need. */
- map->reverse = kmemdup(map->forward,
- map->nr_extents * sizeof(struct uid_gid_extent),
- GFP_KERNEL);
+ map->reverse = kmemdup_array(map->forward, map->nr_extents,
+ sizeof(struct uid_gid_extent), GFP_KERNEL);
if (!map->reverse)
return -ENOMEM;
@@ -931,7 +930,7 @@ static ssize_t map_write(struct file *file, const char __user *buf,
struct uid_gid_map new_map;
unsigned idx;
struct uid_gid_extent extent;
- char *kbuf = NULL, *pos, *next_line;
+ char *kbuf, *pos, *next_line;
ssize_t ret;
/* Only allow < page size writes at the beginning of the file */