From: Dan Carpenter Date: Wed, 20 Jul 2016 00:37:13 +0000 (+1000) Subject: xfs: don't allow negative error tags X-Git-Tag: v4.8-rc1~7^2~56^2~2 X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=fbc21f33cda0a8e13ebd71fe2e23a21d4b79afbb 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 Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index 88693a98fac5..acd941314a4b 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -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; diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 4ed3042a0f16..2e4f67f68856 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -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)