Commit 4f4bf8c4 authored Dec 15, 2022 by GangCao Committed by Tomasz Zawadzki Dec 16, 2022

lib/env_dpdk: add a valid check before fclose



Change-Id: I43fc46500aa95a1f34365d0ac269dc1aa4b4bfa6
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15955


Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>

parent 1450c547

lib/env_dpdk/init.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -172,7 +172,11 @@ get_iommu_width(void)
		FILE *file = fopen(filename, "r");
		uint64_t cap_reg = 0;

		if (file != NULL && fscanf(file, "%" PRIx64, &cap_reg) == 1) {
		if (file == NULL) {
		continue;
		}

		if (fscanf(file, "%" PRIx64, &cap_reg) == 1) {
		if (strstr(filename, "intel-iommu") != NULL) {
		/* We have an Intel IOMMU */
		int mgaw = ((cap_reg & VTD_CAP_MGAW_MASK) >> VTD_CAP_MGAW_SHIFT) + 1;