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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-18 15:39:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-18 15:39:48 -0700
commitb3603fcb79b1036acae10602bffc4855a4b9af80 (patch)
tree1da838b5ad41fa46107a51759a7d83534f62c4ea /fs/dlm/user.c
parent6207b37eb5c5e48f45f3ffe0a299d2df6b42ed69 (diff)
parentc53309b912fdd652eb3c2de44626aac4b0fc9bf9 (diff)
Merge tag 'dlm-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland: - Fix mistaken variable assignment that caused a refcounting problem - Revert a recent change that began using atomic counters where they were not needed (for lkb wait_count) - Add comments around forced state reset for waiting lock operations during recovery * tag 'dlm-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: add comments about forced waiters reset dlm: revert atomic_t lkb_wait_count dlm: fix user space lkb refcounting
Diffstat (limited to 'fs/dlm/user.c')
-rw-r--r--fs/dlm/user.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 695e691b38b3..9f9b68448830 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -806,7 +806,7 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
struct dlm_lkb *lkb;
DECLARE_WAITQUEUE(wait, current);
struct dlm_callback *cb;
- int rv, copy_lvb = 0;
+ int rv, ret, copy_lvb = 0;
int old_mode, new_mode;
if (count == sizeof(struct dlm_device_version)) {
@@ -906,9 +906,9 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
trace_dlm_ast(lkb->lkb_resource->res_ls, lkb);
}
- rv = copy_result_to_user(lkb->lkb_ua,
- test_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags),
- cb->flags, cb->mode, copy_lvb, buf, count);
+ ret = copy_result_to_user(lkb->lkb_ua,
+ test_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags),
+ cb->flags, cb->mode, copy_lvb, buf, count);
kref_put(&cb->ref, dlm_release_callback);
@@ -916,7 +916,7 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
if (rv == DLM_DEQUEUE_CALLBACK_LAST)
dlm_put_lkb(lkb);
- return rv;
+ return ret;
}
static __poll_t device_poll(struct file *file, poll_table *wait)