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From f3333b9dbeda33a9344b458accaa4ff372adb660 Mon Sep 17 00:00:00 2001
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From: Alexey Tikhonov <atikhono@redhat.com>
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Date: Fri, 3 Feb 2023 11:35:42 +0100
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Subject: [PATCH 2/4] SSS_CLIENT: fix error codes returned by common
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read/write/check helpers.
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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It's kind of expected that in case `(POLLERR | POLLHUP | POLLNVAL)`
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error condition is detected, regular `POLLIN/POLLOUT` won't be set.
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Error code set by error condition should have a priority. This enables
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users of this helper to retry attempt (as designed).
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Reviewed-by: Pavel Březina <pbrezina@redhat.com>
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Reviewed-by: Sumit Bose <sbose@redhat.com>
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(cherry picked from commit 0b8638d8de435384562f17d041655887b73523cd)
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---
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src/sss_client/common.c | 9 +++------
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1 file changed, 3 insertions(+), 6 deletions(-)
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diff --git a/src/sss_client/common.c b/src/sss_client/common.c
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index 2c888faa9..27e09f6f3 100644
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--- a/src/sss_client/common.c
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+++ b/src/sss_client/common.c
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@@ -161,8 +161,7 @@ static enum sss_status sss_cli_send_req(enum sss_cli_command cmd,
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case 1:
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if (pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
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*errnop = EPIPE;
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- }
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- if (!(pfd.revents & POLLOUT)) {
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+ } else if (!(pfd.revents & POLLOUT)) {
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*errnop = EBUSY;
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}
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break;
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@@ -273,8 +272,7 @@ static enum sss_status sss_cli_recv_rep(enum sss_cli_command cmd,
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}
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if (pfd.revents & (POLLERR | POLLNVAL)) {
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*errnop = EPIPE;
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- }
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- if (!(pfd.revents & POLLIN)) {
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+ } else if (!(pfd.revents & POLLIN)) {
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*errnop = EBUSY;
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}
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break;
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@@ -725,8 +723,7 @@ static enum sss_status sss_cli_check_socket(int *errnop,
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case 1:
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if (pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
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*errnop = EPIPE;
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- }
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- if (!(pfd.revents & (POLLIN | POLLOUT))) {
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+ } else if (!(pfd.revents & (POLLIN | POLLOUT))) {
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*errnop = EBUSY;
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}
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break;
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--
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2.37.3
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