cifs: fix compiler warning in CIFSSMBQAllEAs

The recent fix to the above function causes this compiler warning to pop
on some gcc versions:

  CC [M]  fs/cifs/cifssmb.o
fs/cifs/cifssmb.c: In function ‘CIFSSMBQAllEAs’:
fs/cifs/cifssmb.c:5708: warning: ‘ea_name_len’ may be used uninitialized in
this function

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifssmb.c

@@ -5720,7 +5720,7 @@ CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon,
 	char *temp_ptr;
 	char *end_of_smb;
 	__u16 params, byte_count, data_offset;
-	unsigned int ea_name_len;
+	unsigned int ea_name_len = ea_name ? strlen(ea_name) : 0;
 
 	cFYI(1, "In Query All EAs path %s", searchName);
 QAllEAsRetry:
@@ -5815,10 +5815,6 @@ QAllEAsRetry:
 	list_len -= 4;
 	temp_fea = ea_response_data->list;
 	temp_ptr = (char *)temp_fea;
-
-	if (ea_name)
-		ea_name_len = strlen(ea_name);
-
 	while (list_len > 0) {
 		unsigned int name_len;
 		__u16 value_len;