[XFS] Make more xfs errors trappable with panic_mask

SGI Modid: xfs-linux:xfs-kern:164051a

fs/xfs/xfs_error.c

@@ -218,6 +218,7 @@ xfs_errortag_clearall(xfs_mount_t *mp)
 static void
 xfs_fs_vcmn_err(int level, xfs_mount_t *mp, char *fmt, va_list ap)
 {
+	if (mp != NULL) {
 		char	*newfmt;
 		int	len = 16 + mp->m_fsname_len + strlen(fmt);
 
@@ -225,6 +226,9 @@ xfs_fs_vcmn_err(int level, xfs_mount_t *mp, char *fmt, va_list ap)
 		sprintf(newfmt, "Filesystem \"%s\": %s", mp->m_fsname, fmt);
 		icmn_err(level, newfmt, ap);
 		kmem_free(newfmt, len);
+	} else {
+		icmn_err(level, fmt, ap);
+	}
 }
 
 void
@@ -267,16 +271,10 @@ xfs_error_report(
 	inst_t		*ra)
 {
 	if (level <= xfs_error_level) {
-		if (mp != NULL) {
 		xfs_cmn_err(XFS_PTAG_ERROR_REPORT,
 			    CE_ALERT, mp,
 		"XFS internal error %s at line %d of file %s.  Caller 0x%p\n",
 			    tag, linenum, fname, ra);
-		} else {
-			cmn_err(CE_ALERT,
-		"XFS internal error %s at line %d of file %s.  Caller 0x%p\n",
-				tag, linenum, fname, ra);
-		}
 
 		xfs_stack_trace();
 	}