| From 8579d8a35886f91974e0ac4dbdf2edb7dac06d52 Mon Sep 17 00:00:00 2001 |
| From: Joe Slater <joe.slater@windriver.com> |
| Date: Fri, 18 Dec 2020 11:17:50 +0800 |
| Subject: [PATCH] libmultipath/uevent.c: fix error handling for |
| udev_monitor_set_receive_buffer_size |
| |
| Since systemd v246.5[1], udev_monitor_set_receive_buffer_size() will |
| return 0 or 1 if successful. We only need to check a negative value for |
| the failure. |
| |
| [1] https://github.com/systemd/systemd-stable/commit/4dcae666889ae9469e4406c0bcaffadbc01c4f66 |
| https://github.com/systemd/systemd-stable/commit/fe9b92e566f837665cc06c82374e4e42f9295c99 |
| https://github.com/systemd/systemd-stable/commit/5dd4cc4b10daea5d2ba969425ba02d2098dd06a4 |
| |
| Upstream-Status: Pending |
| |
| Signed-off-by: Joe Slater <joe.slater@windriver.com> |
| Signed-off-by: Yi Zhao <yi.zhao@windriver.com> |
| --- |
| libmultipath/uevent.c | 3 ++- |
| 1 file changed, 2 insertions(+), 1 deletion(-) |
| |
| diff --git a/libmultipath/uevent.c b/libmultipath/uevent.c |
| index d38e8a7f..4b298052 100644 |
| --- a/libmultipath/uevent.c |
| +++ b/libmultipath/uevent.c |
| @@ -810,7 +810,8 @@ int uevent_listen(struct udev *udev) |
| } |
| pthread_cleanup_push(monitor_cleanup, monitor); |
| #ifdef LIBUDEV_API_RECVBUF |
| - if (udev_monitor_set_receive_buffer_size(monitor, 128 * 1024 * 1024)) |
| + err = udev_monitor_set_receive_buffer_size(monitor, 128 * 1024 * 1024); |
| + if (err < 0) |
| condlog(2, "failed to increase buffer size"); |
| #endif |
| fd = udev_monitor_get_fd(monitor); |
| -- |
| 2.17.1 |
| |