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ksmbd: fix unused err value in smb2_lock

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CID 1502845 (#1 of 1): Unused value (UNUSED_VALUE)
value_overwrite: Overwriting previous write to err with value from
vfs_lock_file(filp, 0U, rlock, NULL).
6880                err = vfs_lock_file(filp, 0, rlock, NULL);
6881                if (err)
6882                        pr_err("rollback unlock fail : %d\n", err);

Reported-by: Coverity Scan <scan-admin@coverity.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-07-13 17:17:28 +09:00
parent 78ad2c277a
commit 96ad4ec51c
1 changed files with 6 additions and 5 deletions
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11
fs/ksmbd/smb2pdu.c
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@ -6835,7 +6835,7 @@ skip:
rsp->Reserved = 0;
inc_rfc1001_len(rsp, 4);
ksmbd_fd_put(work, fp);
return err;
return 0;
out:
list_for_each_entry_safe(smb_lock, tmp, &lock_list, llist) {
@ -6846,15 +6846,16 @@ out:
list_for_each_entry_safe(smb_lock, tmp, &rollback_list, llist) {
struct file_lock *rlock = NULL;
int rc;
rlock = smb_flock_init(filp);
rlock->fl_type = F_UNLCK;
rlock->fl_start = smb_lock->start;
rlock->fl_end = smb_lock->end;
err = vfs_lock_file(filp, 0, rlock, NULL);
if (err)
pr_err("rollback unlock fail : %d\n", err);
rc = vfs_lock_file(filp, 0, rlock, NULL);
if (rc)
pr_err("rollback unlock fail : %d\n", rc);
list_del(&smb_lock->llist);
spin_lock(&work->conn->llist_lock);
@ -6871,7 +6872,7 @@ out2:
ksmbd_debug(SMB, "failed in taking lock(flags : %x)\n", flags);
smb2_set_err_rsp(work);
ksmbd_fd_put(work, fp);
return 0;
return err;
}
static int fsctl_copychunk(struct ksmbd_work *work, struct smb2_ioctl_req *req,