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-rw-r--r--fs/ceph/inode.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 2c489378b4cd..9fff9f3b17e4 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -677,18 +677,19 @@ static int fill_inode(struct inode *inode,
case S_IFLNK:
inode->i_op = &ceph_symlink_iops;
if (!ci->i_symlink) {
- int symlen = iinfo->symlink_len;
+ u32 symlen = iinfo->symlink_len;
char *sym;
- BUG_ON(symlen != inode->i_size);
spin_unlock(&ci->i_ceph_lock);
+ err = -EINVAL;
+ if (WARN_ON(symlen != inode->i_size))
+ goto out;
+
err = -ENOMEM;
- sym = kmalloc(symlen+1, GFP_NOFS);
+ sym = kstrndup(iinfo->symlink, symlen, GFP_NOFS);
if (!sym)
goto out;
- memcpy(sym, iinfo->symlink, symlen);
- sym[symlen] = 0;
spin_lock(&ci->i_ceph_lock);
if (!ci->i_symlink)