[systemd-devel] [PATCH] util.c: ignore pollfd.revent for loop_read/loop_write

[cee1]

Let read()/write() report any error/EOF.
---
 src/shared/util.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/shared/util.c b/src/shared/util.c
index 2009553..3c08650 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -2186,8 +2186,10 @@ ssize_t loop_read(int fd, void *buf, size_t
nbytes, bool do_poll) {
                                         return n > 0 ? n : -errno;
                                 }

-                                if (pollfd.revents != POLLIN)
-                                        return n > 0 ? n : -EIO;
+                                /* We knowingly ignore the revents value here,
+                                 * and expect that any error/EOF is reported
+                                 * via read()/write()
+                                 */

                                 continue;
                         }
@@ -2234,8 +2236,10 @@ ssize_t loop_write(int fd, const void *buf,
size_t nbytes, bool do_poll) {
                                         return n > 0 ? n : -errno;
                                 }

-                                if (pollfd.revents != POLLOUT)
-                                        return n > 0 ? n : -EIO;
+                                /* We knowingly ignore the revents value here,
+                                 * and expect that any error/EOF is reported
+                                 * via read()/write()
+                                 */

                                 continue;
                         }
-- 
1.8.3.1