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idxd: fix may be used uninitialized

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Nightly build failing on Centos 7 machine
C compiler for the host machine: cc (gcc 4.8.5 "cc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)")
C linker for the host machine: cc ld.bfd 2.27-44
Host machine cpu family: x86_64
Host machine cpu: x86_64

Errors like:
idxd.c: In function ‘spdk_idxd_submit_crc32c’:
idxd.c:902:24: error: ‘prev_crc’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
    desc->crc32c.addr = (uint64_t)prev_crc;

Signed-off-by: Pawel Piatek <pawelx.piatek@intel.com>
Change-Id: Ib40160b1974ecd3f1579566b6eb5d88e03b5bb2b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11082
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Pawel Piatek 2022-01-13 18:39:05 +01:00 committed by Tomasz Zawadzki
parent f63c0899a2
commit 88e676f7b1
1 changed files with 1 additions and 0 deletions
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lib/idxd/idxd.c
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@ -965,6 +965,7 @@ spdk_idxd_submit_crc32c(struct spdk_idxd_io_channel *chan,
return -EBUSY;
}
prev_crc = NULL;
for (i = 0; i < siovcnt; i++) {
rc = _idxd_prep_batch_cmd(chan, NULL, NULL, batch, &desc, &op);
if (rc) {