xfs: don't allow negative error tags

Errors go from zero which means no error to XFS_ERRTAG_MAX (22).  My
static checker complains that xfs_errortag_add() puts an upper bound on
this but not a lower bound.  Let's fix it by making it unsigned.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dan Carpenter 2016-07-20 10:37:13 +10:00 committed by Dave Chinner
parent 7f1b62457b
commit fbc21f33cd
2 changed files with 2 additions and 2 deletions

View File

@ -55,7 +55,7 @@ xfs_error_test(int error_tag, int *fsidp, char *expression,
}
int
xfs_errortag_add(int error_tag, xfs_mount_t *mp)
xfs_errortag_add(unsigned int error_tag, xfs_mount_t *mp)
{
int i;
int len;

View File

@ -128,7 +128,7 @@ extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
(rf))))
extern int xfs_errortag_add(int error_tag, struct xfs_mount *mp);
extern int xfs_errortag_add(unsigned int error_tag, struct xfs_mount *mp);
extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud);
#else
#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)