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systemd/SOURCES/0303-cryptsetup-add-some-co...

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From ea0c4c31f6dff7d01e585bd8d5f962b373844544 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 21 Jan 2019 20:13:11 +0100
Subject: [PATCH] cryptsetup: add some commenting about EAGAIN generation
(cherry picked from commit b7a0fead10959b03a1fa642a5ae7aca3a6a3dee9)
Related: #1776408
---
src/cryptsetup/cryptsetup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c
index 0881aea915..f2b2557497 100644
--- a/src/cryptsetup/cryptsetup.c
+++ b/src/cryptsetup/cryptsetup.c
@@ -455,7 +455,7 @@ static int attach_tcrypt(
r = read_one_line_file(key_file, &passphrase);
if (r < 0) {
log_error_errno(r, "Failed to read password file '%s': %m", key_file);
- return -EAGAIN;
+ return -EAGAIN; /* log with the actual error, but return EAGAIN */
}
params.passphrase = passphrase;