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ceph: initialize pathlen variable in reconnect_caps_cb

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[ Upstream commit ee2a095d3b ]

The smatch static checker warned about an uninitialized symbol usage in
this function, in the case where ceph_mdsc_build_path returns an error.

It turns out that that case is harmless, but it just looks sketchy.
Initialize the variable at declaration time, and remove the unneeded
setting of it later.

Fixes: a33f6432b3 ("ceph: encode inodes' parent/d_name in cap reconnect message")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xiubo Li
2021-11-30 19:20:34 +08:00
committed by Greg Kroah-Hartman
parent e0f06c32af
commit 7b4cc168d9
1 changed files with 1 additions and 2 deletions
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3
fs/ceph/mds_client.c
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@@ -3696,7 +3696,7 @@ static int reconnect_caps_cb(struct inode *inode, struct ceph_cap *cap,
struct ceph_pagelist *pagelist = recon_state->pagelist;
struct dentry *dentry;
char *path;
int pathlen, err;
int pathlen = 0, err;
u64 pathbase;
u64 snap_follows;
@@ -3716,7 +3716,6 @@ static int reconnect_caps_cb(struct inode *inode, struct ceph_cap *cap,
}
} else {
path = NULL;
pathlen = 0;
pathbase = 0;
}