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- Differentiate two UPGRADE panics so I have a better idea of what's going

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This commit is contained in:
Jeff Roberson 2005-04-12 05:43:03 +00:00
parent a3e2432858
commit 436901a86b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=144928
1 changed files with 3 additions and 1 deletions
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4
sys/kern/kern_lock.c
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@ -268,8 +268,10 @@ debuglockmgr(lkp, flags, interlkp, td, name, file, line)
* after the upgrade). If we return an error, the file
* will always be unlocked.
*/
if ((lkp->lk_lockholder == thr) || (lkp->lk_sharecount <= 0))
if (lkp->lk_lockholder == thr)
panic("lockmgr: upgrade exclusive lock");
if (lkp->lk_sharecount <= 0)
panic("lockmgr: upgrade without shared");
shareunlock(td, lkp, 1);
/*
* If we are just polling, check to see if we will block.