From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Netes Subject: [PATCH 3/4] opensm: Fix continous looping when clearing accum_pkeys table Date: Thu, 22 Mar 2012 10:37:42 +0200 Message-ID: <20120322083742.GD2613@calypso> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org p_pkey_tbl->accum_pkeys maximal size is 0x10000 (last used index is 0xFFFF), so when we itterate over accum_pkeys we should make sure we don't go over the bounds of uint16_t. Signed-off-by: Alex Netes Signed-off-by: Hal Rosenstock --- opensm/osm_pkey.c | 5 +++-- opensm/osm_pkey_mgr.c | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/opensm/osm_pkey.c b/opensm/osm_pkey.c index 632d44d..30a5767 100644 --- a/opensm/osm_pkey.c +++ b/opensm/osm_pkey.c @@ -205,7 +205,8 @@ void osm_pkey_tbl_clear_accum_pkeys(IN osm_pkey_tbl_t * p_pkey_tbl, { void *ptr; uintptr_t pkey_idx_ptr; - uint16_t pkey_idx, last_pkey_idx, i; + uint16_t pkey_idx, last_pkey_idx; + uint32_t i; ptr = cl_ptr_vector_get(&p_pkey_tbl->accum_pkeys, pkey); if (ptr == NULL) @@ -218,7 +219,7 @@ void osm_pkey_tbl_clear_accum_pkeys(IN osm_pkey_tbl_t * p_pkey_tbl, if (p_pkey_tbl->last_pkey_idx == pkey_idx) { last_pkey_idx = 0; - for (i = 0; i < cl_ptr_vector_get_size(&p_pkey_tbl->accum_pkeys); i++) { + for (i = 1; i < cl_ptr_vector_get_size(&p_pkey_tbl->accum_pkeys); i++) { ptr = cl_ptr_vector_get(&p_pkey_tbl->accum_pkeys, i); if (ptr != NULL) { pkey_idx_ptr = (uintptr_t) ptr; diff --git a/opensm/osm_pkey_mgr.c b/opensm/osm_pkey_mgr.c index d051026..f7e6eae 100644 --- a/opensm/osm_pkey_mgr.c +++ b/opensm/osm_pkey_mgr.c @@ -255,12 +255,13 @@ pkey_mgr_enforce_partition(IN osm_log_t * p_log, osm_sm_t * sm, static void clear_accum_pkey_index(osm_pkey_tbl_t * p_pkey_tbl, uint16_t pkey_index) { - uint16_t i, pkey_idx_bias, pkey_idx; + uint16_t pkey_idx_bias, pkey_idx; + uint32_t i; void *ptr; uintptr_t pkey_idx_ptr; pkey_idx_bias = pkey_index + 1; // adjust for pkey index bias in accum_pkeys - for (i = 0; i < cl_ptr_vector_get_size(&p_pkey_tbl->accum_pkeys); i++) { + for (i = 1; i < cl_ptr_vector_get_size(&p_pkey_tbl->accum_pkeys); i++) { ptr = cl_ptr_vector_get(&p_pkey_tbl->accum_pkeys, i); if (ptr != NULL) { pkey_idx_ptr = (uintptr_t) ptr; -- 1.7.7.6 -- Alex -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html