libstorage: Add memory size check routine

If a memory size is zero, it does not try to divide by zero.

Change-Id: Ieeff37b0d527f0edba7d06f54f4f31081632f9b9
Signed-off-by: Jiyoung Yun <jy910.yun@samsung.com>

diff --git a/src/statvfs.c b/src/statvfs.c
index ca2c62b..81d323f 100644 (file)
--- a/src/statvfs.c
+++ b/src/statvfs.c
@@ -250,7 +250,7 @@ API int storage_get_internal_memory_size(struct statvfs *buf)
        }
 
        ret = get_memory_size(MEMORY_STATUS_USR_PATH, &temp);
-       if (ret) {
+       if (ret || temp.f_bsize == 0) {
                _E("fail to get memory size");
                return -errno;
        }