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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2020-08-05 12:52:07 +0300 |
|---|---|---|
| committer |   Steve French <stfrench@microsoft.com> | 2020-08-06 22:06:10 -0500 |
| commit | 20b135e48cdda7a7dfccef7286def66e5c9686c3 (patch) | |
| tree | 708ca016a0346701a0b47d583eb2bc583039372c /fs/cifs | |
| parent | Merge tag '5.9-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6 (diff) | |
| download | linux-dev-20b135e48cdda7a7dfccef7286def66e5c9686c3.tar.xz linux-dev-20b135e48cdda7a7dfccef7286def66e5c9686c3.zip | |
cifs: Fix an error pointer dereference in cifs_mount()
The error handling calls kfree(full_path) so we can't let it be a NULL
pointer. There used to be a NULL assignment here but we accidentally
deleted it. Add it back.
Fixes: 7efd08158261 ("cifs: document and cleanup dfs mount")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/connect.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 7e3e5e2098eb..2fe6b1ab75c3 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4886,6 +4886,7 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) full_path = build_unc_path_to_root(vol, cifs_sb, !!count); if (IS_ERR(full_path)) { rc = PTR_ERR(full_path); + full_path = NULL; break; } /* Chase referral */ |