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scsi: relax spdk_scsi_task_gather_data assert

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If the iov_len is 0, it is OK for the iov_base to be
NULL.

Reported-by: Yi Ren <yunye.ry@alibaba-inc.com>
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I45c9be68fc2975bf2abd91a9d77935ce516c5210
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6706
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
This commit is contained in:
Jim Harris 2021-03-04 23:53:24 +00:00 committed by Tomasz Zawadzki
parent 24014d63bd
commit 22e5037e0c
1 changed files with 2 additions and 1 deletions
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3
lib/scsi/task.c
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@ -158,7 +158,8 @@ spdk_scsi_task_gather_data(struct spdk_scsi_task *task, int *len)
uint8_t *buf, *pos;
for (i = 0; i < task->iovcnt; i++) {
assert(iovs[i].iov_base != NULL);
/* It is OK for iov_base to be NULL if iov_len is 0. */
assert(iovs[i].iov_base != NULL || iovs[i].iov_len == 0);
buf_len += iovs[i].iov_len;
}