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authorLinux Build Service Account <lnxbuild@localhost>2016-10-06 12:26:00 -0700
committerGerrit - the friendly Code Review server <code-review@localhost>2016-10-06 12:25:59 -0700
commit2b421b1a286ce1fe3702848848bc2c86bf5fb386 (patch)
treefbff37597112881a7e62bc90b11644675e5db3f1 /drivers/scsi
parent421e53ee00666d5577d1f88aad10ae9922293bcd (diff)
parent0365116c48f7cd35a4ab3dfddfc4965f696f2974 (diff)
Merge "scsi: ufs_test: fix use after free issue"
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ufs/ufs_test.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/scsi/ufs/ufs_test.c b/drivers/scsi/ufs/ufs_test.c
index 8953722e8dad..e23dc3e8d9da 100644
--- a/drivers/scsi/ufs/ufs_test.c
+++ b/drivers/scsi/ufs/ufs_test.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -689,13 +689,13 @@ static void scenario_free_end_io_fn(struct request *rq, int err)
__blk_put_request(test_iosched->req_q, test_rq->rq);
spin_unlock_irqrestore(&test_iosched->lock, flags);
- test_iosched_free_test_req_data_buffer(test_rq);
- kfree(test_rq);
-
if (err)
pr_err("%s: request %d completed, err=%d", __func__,
test_rq->req_id, err);
+ test_iosched_free_test_req_data_buffer(test_rq);
+ kfree(test_rq);
+
check_test_completion(test_iosched);
}
@@ -984,14 +984,14 @@ static void long_test_free_end_io_fn(struct request *rq, int err)
return;
}
- test_iosched_free_test_req_data_buffer(test_rq);
- kfree(test_rq);
- utd->completed_req_count++;
-
if (err)
pr_err("%s: request %d completed, err=%d", __func__,
test_rq->req_id, err);
+ test_iosched_free_test_req_data_buffer(test_rq);
+ kfree(test_rq);
+ utd->completed_req_count++;
+
check_test_completion(test_iosched);
}
@@ -1007,7 +1007,7 @@ static void long_test_free_end_io_fn(struct request *rq, int err)
static int run_long_test(struct test_iosched *test_iosched)
{
int ret = 0;
- int direction, num_bios_per_request;
+ int direction, num_bios_per_request = 1;
static unsigned int inserted_requests;
u32 sector, seed, num_bios, seq_sector_delta;
struct ufs_test_data *utd = test_iosched->blk_dev_test_data;
@@ -1028,14 +1028,12 @@ static int run_long_test(struct test_iosched *test_iosched)
/* Set test parameters */
switch (test_iosched->test_info.testcase) {
case UFS_TEST_LONG_RANDOM_READ:
- num_bios_per_request = 1;
utd->long_test_num_reqs = (utd->sector_range * SECTOR_SIZE) /
(LONG_RAND_TEST_REQ_RATIO * TEST_BIO_SIZE *
num_bios_per_request);
direction = READ;
break;
case UFS_TEST_LONG_RANDOM_WRITE:
- num_bios_per_request = 1;
utd->long_test_num_reqs = (utd->sector_range * SECTOR_SIZE) /
(LONG_RAND_TEST_REQ_RATIO * TEST_BIO_SIZE *
num_bios_per_request);