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vfs: fix LK_RETRY logic braino in r312600

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This commit is contained in:
Mateusz Guzik 2017-01-21 20:34:20 +00:00
parent f348557302
commit eaf0969bda
1 changed files with 6 additions and 4 deletions
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10
sys/kern/vfs_vnops.c
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@ -1549,13 +1549,15 @@ retry:
KASSERT((flags & LK_RETRY) == 0 || error == 0,
("LK_RETRY set with incompatible flags (0x%x) or "
" an error occurred (%d)", flags, error));
if (flags & LK_RETRY) {
if ((error != 0))
goto retry;
if ((vp->v_iflag & VI_DOOMED)) {
if ((flags & LK_RETRY) == 0) {
if (error == 0 && vp->v_iflag & VI_DOOMED) {
VOP_UNLOCK(vp, 0);
error = ENOENT;
}
} else {
if (error != 0)
goto retry;
}
return (error);
}