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lib/nbd: fix deadStore issue in nbd_cleanup_io()

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Although the value stored to 'rc' is used in the enclosing
expression, the value is never actually read from 'rc'

Fixes #1860

Change-Id: Id1001552e635968e373cad0fd27d7bda41d887cd
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7082
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Karol Latecki 2021-03-26 11:37:31 +01:00 committed by Tomasz Zawadzki
parent b67aa514a4
commit de21d8f4e4
1 changed files with 1 additions and 3 deletions
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4
lib/nbd/nbd.c
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@ -351,10 +351,8 @@ nbd_io_xmit_check(struct spdk_nbd_disk *nbd)
static int static int
nbd_cleanup_io(struct spdk_nbd_disk *nbd) nbd_cleanup_io(struct spdk_nbd_disk *nbd)
{ {
int rc;
/* Try to read the remaining nbd commands in the socket */ /* Try to read the remaining nbd commands in the socket */
while ((rc = nbd_io_recv_internal(nbd)) > 0); while (nbd_io_recv_internal(nbd) > 0);
/* free io_in_recv */ /* free io_in_recv */
if (nbd->io_in_recv != NULL) { if (nbd->io_in_recv != NULL) {