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author | trasz <trasz@FreeBSD.org> | 2009-01-29 16:47:15 +0000 |
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committer | trasz <trasz@FreeBSD.org> | 2009-01-29 16:47:15 +0000 |
commit | d27cdd2fdd1b3c6f17b9a97f484bca9fad2760df (patch) | |
tree | 8fbcb89cb6e811142755e73eae11292de6d31dd7 /sys/ufs | |
parent | 37ae761d1d82e84a9dae032948a48455ece8e45f (diff) | |
download | FreeBSD-src-d27cdd2fdd1b3c6f17b9a97f484bca9fad2760df.zip FreeBSD-src-d27cdd2fdd1b3c6f17b9a97f484bca9fad2760df.tar.gz |
Make sure the cdev doesn't go away while the filesystem is still mounted.
Otherwise dev2udev() could return garbage.
Reviewed by: kib
Approved by: rwatson (mentor)
Sponsored by: FreeBSD Foundation
Diffstat (limited to 'sys/ufs')
-rw-r--r-- | sys/ufs/ffs/ffs_vfsops.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/ufs/ffs/ffs_vfsops.c b/sys/ufs/ffs/ffs_vfsops.c index d5a1a4f..b9ad090 100644 --- a/sys/ufs/ffs/ffs_vfsops.c +++ b/sys/ufs/ffs/ffs_vfsops.c @@ -641,6 +641,7 @@ ffs_mountfs(devvp, mp, td) VOP_UNLOCK(devvp, 0); if (error) return (error); + dev_ref(dev); if (devvp->v_rdev->si_iosize_max != 0) mp->mnt_iosize_max = devvp->v_rdev->si_iosize_max; if (mp->mnt_iosize_max > MAXPHYS) @@ -921,6 +922,7 @@ out: free(ump, M_UFSMNT); mp->mnt_data = NULL; } + dev_rel(dev); return (error); } @@ -1107,6 +1109,7 @@ ffs_unmount(mp, mntflags, td) g_topology_unlock(); PICKUP_GIANT(); vrele(ump->um_devvp); + dev_rel(ump->um_dev); mtx_destroy(UFS_MTX(ump)); if (mp->mnt_gjprovider != NULL) { free(mp->mnt_gjprovider, M_UFSMNT); |