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NLM: Clean up nlmsvc_grant_reply locking

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Slightly simpler logic here makes it more trivial to verify that the up's
 and down's are balanced here.  Break out an assignment from a conditional
 while we're at it.

 Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
J. Bruce Fields 2006-01-03 09:55:42 +01:00 committed by Trond Myklebust
parent fb459f45f7
commit f232142cc2
1 changed files with 3 additions and 4 deletions
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7
fs/lockd/svclock.c
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@ -637,11 +637,12 @@ nlmsvc_grant_reply(struct svc_rqst *rqstp, struct nlm_cookie *cookie, u32 status
file->f_count++;
down(&file->f_sema);
if ((block = nlmsvc_find_block(cookie,&rqstp->rq_addr)) != NULL) {
block = nlmsvc_find_block(cookie, &rqstp->rq_addr);
if (block) {
if (status == NLM_LCK_DENIED_GRACE_PERIOD) {
/* Try again in a couple of seconds */
nlmsvc_insert_block(block, 10 * HZ);
block = NULL;
up(&file->f_sema);
} else {
/* Lock is now held by client, or has been rejected.
* In both cases, the block should be removed. */
@ -652,8 +653,6 @@ nlmsvc_grant_reply(struct svc_rqst *rqstp, struct nlm_cookie *cookie, u32 status
nlmsvc_delete_block(block, 1);
}
}
if (!block)
up(&file->f_sema);
nlm_release_file(file);
}