The variable 'vi->xattr_shared_count' could be ZERO.

Signed-off-by: Noboru Asai <[email protected]>
---
 fs/erofs/xattr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index 60729b1220b6..5164813a693b 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -80,6 +80,8 @@ static int init_inode_xattrs(struct inode *inode)
 
        ih = (struct erofs_xattr_ibody_header *)(it.kaddr + it.ofs);
        vi->xattr_shared_count = ih->h_shared_count;
+       if (!vi->xattr_shared_count)
+               goto out_unlock;
        vi->xattr_shared_xattrs = kmalloc_array(vi->xattr_shared_count,
                                                sizeof(uint), GFP_KERNEL);
        if (!vi->xattr_shared_xattrs) {
-- 
2.39.2

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