[dpdk-dev,v4,3/6] test: fix memory leak in ring autotest
Checks
Commit Message
Get rid of global static ring variable and don't reuse rings
between test runs.
Fixes: 4e32101f9b01 ("ring: support freeing")
Cc: pablo.de.lara.guarch@intel.com
Cc: stable@dpdk.org
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---
Notes:
v3: fix commit message to point to approriate commit being fixed
v2: remove static ring variable
test/test/test_ring.c | 61 ++++++++++++++++++++++++++++-----------------------
1 file changed, 33 insertions(+), 28 deletions(-)
Comments
05/02/2018 14:03, Anatoly Burakov:
> Get rid of global static ring variable and don't reuse rings
> between test runs.
>
> Fixes: 4e32101f9b01 ("ring: support freeing")
> Cc: pablo.de.lara.guarch@intel.com
> Cc: stable@dpdk.org
>
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
> Acked-by: Olivier Matz <olivier.matz@6wind.com>
There is an error caught by clang:
test/test/test_ring.c:676:6: fatal error:
variable 'rp' is used uninitialized whenever 'if' condition is true
[-Wsometimes-uninitialized]
@@ -57,8 +57,6 @@
static rte_atomic32_t synchro;
-static struct rte_ring *r;
-
#define TEST_RING_VERIFY(exp) \
if (!(exp)) { \
printf("error at %s:%d\tcondition " #exp " failed\n", \
@@ -73,7 +71,7 @@ static struct rte_ring *r;
* helper routine for test_ring_basic
*/
static int
-test_ring_basic_full_empty(void * const src[], void *dst[])
+test_ring_basic_full_empty(struct rte_ring *r, void * const src[], void *dst[])
{
unsigned i, rand;
const unsigned rsz = RING_SIZE - 1;
@@ -114,7 +112,7 @@ test_ring_basic_full_empty(void * const src[], void *dst[])
}
static int
-test_ring_basic(void)
+test_ring_basic(struct rte_ring *r)
{
void **src = NULL, **cur_src = NULL, **dst = NULL, **cur_dst = NULL;
int ret;
@@ -250,7 +248,7 @@ test_ring_basic(void)
goto fail;
}
- if (test_ring_basic_full_empty(src, dst) != 0)
+ if (test_ring_basic_full_empty(r, src, dst) != 0)
goto fail;
cur_src = src;
@@ -317,7 +315,7 @@ test_ring_basic(void)
}
static int
-test_ring_burst_basic(void)
+test_ring_burst_basic(struct rte_ring *r)
{
void **src = NULL, **cur_src = NULL, **dst = NULL, **cur_dst = NULL;
int ret;
@@ -731,6 +729,7 @@ test_ring_basic_ex(void)
ret = 0;
fail_test:
+ rte_ring_free(rp);
if (obj != NULL)
rte_free(obj);
@@ -811,61 +810,67 @@ test_ring_with_exact_size(void)
static int
test_ring(void)
{
+ struct rte_ring *r = NULL;
+
/* some more basic operations */
if (test_ring_basic_ex() < 0)
- return -1;
+ goto test_fail;
rte_atomic32_init(&synchro);
+ r = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, 0);
if (r == NULL)
- r = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, 0);
- if (r == NULL)
- return -1;
+ goto test_fail;
/* retrieve the ring from its name */
if (rte_ring_lookup("test") != r) {
printf("Cannot lookup ring from its name\n");
- return -1;
+ goto test_fail;
}
/* burst operations */
- if (test_ring_burst_basic() < 0)
- return -1;
+ if (test_ring_burst_basic(r) < 0)
+ goto test_fail;
/* basic operations */
- if (test_ring_basic() < 0)
- return -1;
+ if (test_ring_basic(r) < 0)
+ goto test_fail;
/* basic operations */
if ( test_create_count_odd() < 0){
- printf ("Test failed to detect odd count\n");
- return -1;
- }
- else
- printf ( "Test detected odd count\n");
+ printf("Test failed to detect odd count\n");
+ goto test_fail;
+ } else
+ printf("Test detected odd count\n");
if ( test_lookup_null() < 0){
- printf ("Test failed to detect NULL ring lookup\n");
- return -1;
- }
- else
- printf ( "Test detected NULL ring lookup \n");
+ printf("Test failed to detect NULL ring lookup\n");
+ goto test_fail;
+ } else
+ printf("Test detected NULL ring lookup\n");
/* test of creating ring with wrong size */
if (test_ring_creation_with_wrong_size() < 0)
- return -1;
+ goto test_fail;
/* test of creation ring with an used name */
if (test_ring_creation_with_an_used_name() < 0)
- return -1;
+ goto test_fail;
if (test_ring_with_exact_size() < 0)
- return -1;
+ goto test_fail;
/* dump the ring status */
rte_ring_list_dump(stdout);
+ rte_ring_free(r);
+
return 0;
+
+test_fail:
+ rte_ring_free(r);
+
+ return -1;
}
REGISTER_TEST_COMMAND(ring_autotest, test_ring);