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reduce: check pmem buf before unmap

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Fixed issue #831

Change-Id: Id589290f3aa729572fa81daf735cecdc8e2adb84
Signed-off-by: Chunyang Hui <chunyang.hui@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/458563
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Chunyang Hui 2019-06-19 22:48:50 +08:00 committed by Changpeng Liu
parent 73a171a07c
commit 863f17d609
1 changed files with 4 additions and 1 deletions
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5
lib/reduce/reduce.c
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@ -371,7 +371,10 @@ _init_load_cleanup(struct spdk_reduce_vol *vol, struct reduce_init_load_ctx *ctx
}
if (vol != NULL) {
pmem_unmap(vol->pm_file.pm_buf, vol->pm_file.size);
if (vol->pm_file.pm_buf != NULL) {
pmem_unmap(vol->pm_file.pm_buf, vol->pm_file.size);
}
spdk_dma_free(vol->backing_super);
spdk_bit_array_free(&vol->allocated_chunk_maps);
spdk_bit_array_free(&vol->allocated_backing_io_units);