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env_dpdk: allow spdk_mem_map_free() map to be NULL

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There was already handling for a NULL map pointer pointer, but the inner
pointer wasn't checked.  Treat pointer to NULL as a no-op as well to
simplify calling code.

Change-Id: I0a213233c021957ab2f4b6c1dd304034ca98b868
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/367433
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Daniel Verkamp 2017-06-28 13:31:29 -07:00
parent ec7dad7199
commit a502b88da6
1 changed files with 4 additions and 0 deletions
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4
lib/env_dpdk/vtophys.c
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@ -202,6 +202,10 @@ spdk_mem_map_free(struct spdk_mem_map **pmap)
map = *pmap;
if (!map) {
return;
}
pthread_mutex_lock(&g_spdk_mem_map_mutex);
spdk_mem_map_notify_walk(map, SPDK_MEM_MAP_NOTIFY_UNREGISTER);
TAILQ_REMOVE(&g_spdk_mem_maps, map, tailq);