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iscsi: simplify nesting and order in iscsi_conn_read_data()

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Try to make the logic of the function a little clearer.

Change-Id: Ic78bed73feef94d94487f0a4240019789be8d2bc
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/414353
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Shuhei Matsumoto 2018-06-08 14:54:01 +09:00 committed by Jim Harris
parent edf924824e
commit feb7f2b3fc
1 changed files with 11 additions and 15 deletions
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10
lib/iscsi/conn.c
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@ -732,12 +732,14 @@ spdk_iscsi_conn_read_data(struct spdk_iscsi_conn *conn, int bytes,
if (ret > 0) {
spdk_trace_record(TRACE_READ_FROM_SOCKET_DONE, conn->id, ret, 0, 0);
return ret;
}
if (ret < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK) {
return 0;
} else {
}
/* For connect reset issue, do not output error log */
if (errno == ECONNRESET) {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "spdk_sock_recv() failed, errno %d: %s\n",
@ -747,17 +749,11 @@ spdk_iscsi_conn_read_data(struct spdk_iscsi_conn *conn, int bytes,
errno, spdk_strerror(errno));
}
}
return SPDK_ISCSI_CONNECTION_FATAL;
}
/* connection closed */
if (ret == 0) {
return SPDK_ISCSI_CONNECTION_FATAL;
}
return ret;
}
void
spdk_iscsi_task_mgmt_cpl(struct spdk_scsi_task *scsi_task)
{