Message ID | 20190213085931.GD14113@kadam |
---|---|
State | Accepted |
Delegated to: | David Miller |
Headers | show |
Series | [1/3,net-next] lib: objagg: Fix an error code in objagg_hints_get() | expand |
Wed, Feb 13, 2019 at 09:59:31AM CET, dan.carpenter@oracle.com wrote: >We need to set the error message on this path otherwise some of the >callers, such as test_hints_case(), print from an uninitialized pointer. > >We had a similar bug earlier and set "errmsg" to NULL in the caller, >test_delta_action_item(). That code is no longer required so I have >removed it. > >Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") >Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Jiri Pirko <jiri@mellanox.com>
From: Dan Carpenter <dan.carpenter@oracle.com> Date: Wed, 13 Feb 2019 11:59:31 +0300 > We need to set the error message on this path otherwise some of the > callers, such as test_hints_case(), print from an uninitialized pointer. > > We had a similar bug earlier and set "errmsg" to NULL in the caller, > test_delta_action_item(). That code is no longer required so I have > removed it. > > Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Applied.
diff --git a/lib/test_objagg.c b/lib/test_objagg.c index 3dd45777b13c..72c1abfa154d 100644 --- a/lib/test_objagg.c +++ b/lib/test_objagg.c @@ -745,8 +745,10 @@ static int check_expect_stats(struct objagg *objagg, int err; stats = objagg_stats_get(objagg); - if (IS_ERR(stats)) + if (IS_ERR(stats)) { + *errmsg = "objagg_stats_get() failed."; return PTR_ERR(stats); + } err = __check_expect_stats(stats, expect_stats, errmsg); objagg_stats_put(stats); return err; @@ -786,7 +788,6 @@ static int test_delta_action_item(struct world *world, if (err) goto errout; - errmsg = NULL; err = check_expect_stats(objagg, &action_item->expect_stats, &errmsg); if (err) { pr_err("Key %u: Stats: %s\n", action_item->key_id, errmsg);
We need to set the error message on this path otherwise some of the callers, such as test_hints_case(), print from an uninitialized pointer. We had a similar bug earlier and set "errmsg" to NULL in the caller, test_delta_action_item(). That code is no longer required so I have removed it. Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- lib/test_objagg.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)