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cifs: Fix soft lockup during fsstress 

Below traces are observed during fsstress and system got hung.
[  130.698396] watchdog: BUG: soft lockup - CPU#6 stuck for 26s!

Cc: stable@vger.kernel.org # 5.13+
Signed-off-by: Rohith Surabattula <rohiths@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Rohith Surabattula 2021-09-17 17:29:42 +00:00 committed by Steve French
parent e3fc065682
commit 71826b0688
1 changed files with 2 additions and 2 deletions
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4
fs/cifs/misc.c
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@ -735,7 +735,7 @@ cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode)
if (cancel_delayed_work(&cfile->deferred)) {
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
continue;
break;
tmp_list->cfile = cfile;
list_add_tail(&tmp_list->list, &file_head);
}
@ -766,7 +766,7 @@ cifs_close_all_deferred_files(struct cifs_tcon *tcon)
if (cancel_delayed_work(&cfile->deferred)) {
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
continue;
break;
tmp_list->cfile = cfile;
list_add_tail(&tmp_list->list, &file_head);
}