Please check whether an unlock is missing before line 382.
julia
---------- Forwarded message ----------
Date: Mon, 26 Feb 2018 00:11:20 +0800
From: kbuild test robot <fengguang.wu@xxxxxxxxx>
To: kbuild@xxxxxx
Cc: Julia Lawall <julia.lawall@xxxxxxx>
Subject: [mmotm:master 110/152] fs/proc/inode.c:382:3-9: preceding lock on line
378
CC: kbuild-all@xxxxxx
TO: Alexey Dobriyan <adobriyan@xxxxxxxxx>
CC: Johannes Weiner <hannes@xxxxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
CC: Linux Memory Management List <linux-mm@xxxxxxxxx>
tree: git://git.cmpxchg.org/linux-mmotm.git master
head: 745388a34645dd2b69f5e7115ad47fea7a218726
commit: 2e2d47fa3e1f9dff0e77de6edb123f024bf7841b [110/152] proc: do less stuff under ->pde_unload_lock
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago
>> fs/proc/inode.c:382:3-9: preceding lock on line 378
git remote add mmotm git://git.cmpxchg.org/linux-mmotm.git
git remote update mmotm
git checkout 2e2d47fa3e1f9dff0e77de6edb123f024bf7841b
vim +382 fs/proc/inode.c
786d7e16 Alexey Dobriyan 2007-07-15 373
786d7e16 Alexey Dobriyan 2007-07-15 374 static int proc_reg_release(struct inode *inode, struct file *file)
786d7e16 Alexey Dobriyan 2007-07-15 375 {
786d7e16 Alexey Dobriyan 2007-07-15 376 struct proc_dir_entry *pde = PDE(inode);
881adb85 Alexey Dobriyan 2008-07-25 377 struct pde_opener *pdeo;
786d7e16 Alexey Dobriyan 2007-07-15 @378 spin_lock(&pde->pde_unload_lock);
ca469f35 Al Viro 2013-04-03 379 list_for_each_entry(pdeo, &pde->pde_openers, lh) {
ca469f35 Al Viro 2013-04-03 380 if (pdeo->file == file) {
ca469f35 Al Viro 2013-04-03 381 close_pdeo(pde, pdeo);
2e2d47fa Alexey Dobriyan 2018-02-21 @382 return 0;
786d7e16 Alexey Dobriyan 2007-07-15 383 }
881adb85 Alexey Dobriyan 2008-07-25 384 }
786d7e16 Alexey Dobriyan 2007-07-15 385 spin_unlock(&pde->pde_unload_lock);
ca469f35 Al Viro 2013-04-03 386 return 0;
786d7e16 Alexey Dobriyan 2007-07-15 387 }
786d7e16 Alexey Dobriyan 2007-07-15 388
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