Fix posix_memalign() return value in case of error

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/helpers.c b/helpers.c
index 987f5b683bb08c0014fb17eae1b1099b3754f722..ba5c654e3b33bf0289422d3561fc5302f36ccce3 100644 (file)
--- a/helpers.c
+++ b/helpers.c
@@ -6,7 +6,10 @@
 int __weak posix_memalign(void **ptr, size_t align, size_t size)
 {
        *ptr = memalign(align, size);
-       return *ptr == NULL;
+       if (*ptr)
+               return 0;
+
+       return ENOMEM;
 }
 
 int __weak posix_fallocate(int fd, off_t offset, off_t len)