cifs: Avoid error pointer dereference
The patch 7d6535b7: "cifs: Simplify reconnect code when dfs upcall is enabled" leads to the following static checker warning: fs/cifs/connect.c:160 reconn_set_next_dfs_target() error: 'server->hostname' dereferencing possible ERR_PTR() Avoid dereferencing the error pointer by early returning on error condition. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Samuel Cabrero <scabrero@suse.de> Signed-off-by: Steve French <stfrench@microsoft.com>
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