alloc_vmap_area: fix memory leak

If alloc_vmap_area() fails the allocated struct vmap_area has to be freed.

Signed-off-by: Ralph Wuerthner <ralphw@linux.vnet.ibm.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index fab19876b4d1..083716ea38c9 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -402,6 +402,7 @@ overflow:
                         printk(KERN_WARNING
                                 "vmap allocation for size %lu failed: "
                                 "use vmalloc=<size> to increase size.\n", size);
+                kfree(va);
                 return ERR_PTR(-EBUSY);
         }