Author: kib
Date: Fri Oct 18 08:34:52 2019
New Revision: 353719
URL: https://svnweb.freebsd.org/changeset/base/353719
Log:
MFC r353446:
Plug the rest of undef behavior places that were missed in r337456.
Modified:
stable/12/sys/fs/msdosfs/msdosfs_fat.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/fs/msdosfs/msdosfs_fat.c
==============================================================================
--- stable/12/sys/fs/msdosfs/msdosfs_fat.c Fri Oct 18 07:55:01 2019
(r353718)
+++ stable/12/sys/fs/msdosfs/msdosfs_fat.c Fri Oct 18 08:34:52 2019
(r353719)
@@ -389,9 +389,10 @@ usemap_alloc(struct msdosfsmount *pmp, u_long cn)
pmp->pm_maxcluster));
KASSERT((pmp->pm_flags & MSDOSFSMNT_RONLY) == 0,
("usemap_alloc on ro msdosfs mount"));
- KASSERT((pmp->pm_inusemap[cn / N_INUSEBITS] & (1 << (cn % N_INUSEBITS)))
- == 0, ("Allocating used sector %ld %ld %x", cn, cn % N_INUSEBITS,
- (unsigned)pmp->pm_inusemap[cn / N_INUSEBITS]));
+ KASSERT((pmp->pm_inusemap[cn / N_INUSEBITS] &
+ (1U << (cn % N_INUSEBITS))) == 0,
+ ("Allocating used sector %ld %ld %x", cn, cn % N_INUSEBITS,
+ (unsigned)pmp->pm_inusemap[cn / N_INUSEBITS]));
pmp->pm_inusemap[cn / N_INUSEBITS] |= 1U << (cn % N_INUSEBITS);
KASSERT(pmp->pm_freeclustercount > 0, ("usemap_alloc: too little"));
pmp->pm_freeclustercount--;
@@ -410,9 +411,10 @@ usemap_free(struct msdosfsmount *pmp, u_long cn)
("usemap_free on ro msdosfs mount"));
pmp->pm_freeclustercount++;
pmp->pm_flags |= MSDOSFS_FSIMOD;
- KASSERT((pmp->pm_inusemap[cn / N_INUSEBITS] & (1 << (cn % N_INUSEBITS)))
- != 0, ("Freeing unused sector %ld %ld %x", cn, cn % N_INUSEBITS,
- (unsigned)pmp->pm_inusemap[cn / N_INUSEBITS]));
+ KASSERT((pmp->pm_inusemap[cn / N_INUSEBITS] &
+ (1U << (cn % N_INUSEBITS))) != 0,
+ ("Freeing unused sector %ld %ld %x", cn, cn % N_INUSEBITS,
+ (unsigned)pmp->pm_inusemap[cn / N_INUSEBITS]));
pmp->pm_inusemap[cn / N_INUSEBITS] &= ~(1U << (cn % N_INUSEBITS));
}
@@ -651,7 +653,7 @@ chainlength(struct msdosfsmount *pmp, u_long start, u_
idx = start / N_INUSEBITS;
start %= N_INUSEBITS;
map = pmp->pm_inusemap[idx];
- map &= ~((1 << start) - 1);
+ map &= ~((1U << start) - 1);
if (map) {
len = ffs(map) - 1 - start;
len = MIN(len, count);
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