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author | jkoshy <jkoshy@FreeBSD.org> | 2005-07-17 04:18:06 +0000 |
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committer | jkoshy <jkoshy@FreeBSD.org> | 2005-07-17 04:18:06 +0000 |
commit | 9b75f72988c74c9ce57302046b905ba1551dd1bc (patch) | |
tree | 9d6d3a820a8b85476d44dc6eb65bb8216eb98c5a /sys/dev/hwpmc | |
parent | 016c317723b138a4f4d33dbf643bf3972263f899 (diff) | |
download | FreeBSD-src-9b75f72988c74c9ce57302046b905ba1551dd1bc.zip FreeBSD-src-9b75f72988c74c9ce57302046b905ba1551dd1bc.tar.gz |
Use LK_CANRECURSE since when a PMC-owning process performs an exec,
the new text vnode is already locked by itself.
MFC after: 3 days
Diffstat (limited to 'sys/dev/hwpmc')
-rw-r--r-- | sys/dev/hwpmc/hwpmc_mod.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/hwpmc/hwpmc_mod.c b/sys/dev/hwpmc/hwpmc_mod.c index 2b9a58a..bb94906 100644 --- a/sys/dev/hwpmc/hwpmc_mod.c +++ b/sys/dev/hwpmc/hwpmc_mod.c @@ -668,7 +668,7 @@ pmc_getfilename(struct vnode *v, char **fullpath, char **freepath) td = curthread; *fullpath = "unknown"; *freepath = NULL; - vn_lock(v, LK_EXCLUSIVE | LK_RETRY, td); + vn_lock(v, LK_CANRECURSE | LK_EXCLUSIVE | LK_RETRY, td); vn_fullpath(td, v, fullpath, freepath); VOP_UNLOCK(v, 0, td); } |