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-rw-r--r--sys/kern/uipc_syscalls.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c
index 34eaf20..475a2de 100644
--- a/sys/kern/uipc_syscalls.c
+++ b/sys/kern/uipc_syscalls.c
@@ -2086,9 +2086,11 @@ retry_space:
/*
* Get the page from backing store.
*/
- bsize = vp->v_mount->mnt_stat.f_iosize;
vfslocked = VFS_LOCK_GIANT(vp->v_mount);
- vn_lock(vp, LK_SHARED | LK_RETRY);
+ error = vn_lock(vp, LK_SHARED);
+ if (error != 0)
+ goto after_read;
+ bsize = vp->v_mount->mnt_stat.f_iosize;
/*
* XXXMAC: Because we don't have fp->f_cred
@@ -2101,6 +2103,7 @@ retry_space:
IO_VMIO | ((MAXBSIZE / bsize) << IO_SEQSHIFT),
td->td_ucred, NOCRED, &resid, td);
VOP_UNLOCK(vp, 0);
+ after_read:
VFS_UNLOCK_GIANT(vfslocked);
VM_OBJECT_LOCK(obj);
vm_page_io_finish(pg);
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