[PATCH libi40iw] fix remaining potential leaks of info arrays and iwuqp
From: Jarod Wilson <hidden>
Date: 2016-07-28 19:09:23
Subsystem:
the rest · Maintainer:
Linus Torvalds
If we get to err_destroy_qp, we still need to free info.rq_wrid_array and info.sq_wrtrk_array, so just slide the return down after those respective free() calls, and free iwuqp before gotos below err_destroy_qp, so we do call free() iwuqp, but only once (i40iw_udestroy_qp() also free()'s it). Fixes: 5f13b882d (libi40iw: Add return code check for pthread_spin calls) CC: Chien Tin Tung <redacted> CC: Tatyana Nikolova <redacted> Signed-off-by: Jarod Wilson <redacted> --- src/i40iw_uverbs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/i40iw_uverbs.c b/src/i40iw_uverbs.c
index ec5f77e..e5753e0 100644
--- a/src/i40iw_uverbs.c
+++ b/src/i40iw_uverbs.c@@ -698,6 +698,7 @@ struct ibv_qp *i40iw_ucreate_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *attr info.rq_wrid_array = calloc(rqdepth, sizeof(*info.rq_wrid_array)); if (!info.rq_wrid_array) { fprintf(stderr, PFX "%s: failed to allocate memory for RQ work array\n", __func__); + free(iwuqp); goto err_free_sq_wrtrk; }
@@ -707,6 +708,7 @@ struct ibv_qp *i40iw_ucreate_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *attr if (!status) { fprintf(stderr, PFX "%s: failed to map QP\n", __func__); + free(iwuqp); goto err_free_rq_wrid; } info.qp_id = resp.qp_id;
@@ -728,12 +730,12 @@ struct ibv_qp *i40iw_ucreate_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *attr err_destroy_qp: i40iw_udestroy_qp(&iwuqp->ibv_qp); - return NULL; - err_free_rq_wrid: free(info.rq_wrid_array); err_free_sq_wrtrk: free(info.sq_wrtrk_array); + return NULL; + err_destroy_lock: if (pthread_spin_destroy(&iwuqp->lock)) return NULL;
--
1.8.3.1
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