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systemd/SOURCES/0881-pstore-do-not-add-FILE...

58 lines
2.3 KiB

From 5006e4bd9aecea40ca3d907adc692c4c8001a6c1 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 22 Jul 2019 11:08:06 +0900
Subject: [PATCH] pstore: do not add FILE= journal entry if content_size == 0
(cherry picked from commit 6bf18debddbe1b231f783617e054cc194bb36d1e)
Related: #2158832
---
src/pstore/pstore.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)
diff --git a/src/pstore/pstore.c b/src/pstore/pstore.c
index ce8080ceed..eb251d61c8 100644
--- a/src/pstore/pstore.c
+++ b/src/pstore/pstore.c
@@ -114,10 +114,8 @@ static int compare_pstore_entries(const void *_a, const void *_b) {
static int move_file(PStoreEntry *pe, const char *subdir) {
_cleanup_free_ char *ifd_path = NULL, *ofd_path = NULL;
- _cleanup_free_ void *field = NULL;
+ const char *suffix, *message;
struct iovec iovec[2];
- const char *suffix;
- size_t field_size;
int n_iovec = 0, r;
if (pe->handled)
@@ -133,15 +131,20 @@ static int move_file(PStoreEntry *pe, const char *subdir) {
/* Always log to the journal */
suffix = arg_storage == PSTORE_STORAGE_EXTERNAL ? strjoina(" moved to ", ofd_path) : (char *)".";
- field = strjoina("MESSAGE=PStore ", pe->dirent.d_name, suffix);
- iovec[n_iovec++] = IOVEC_MAKE_STRING(field);
+ message = strjoina("MESSAGE=PStore ", pe->dirent.d_name, suffix);
+ iovec[n_iovec++] = IOVEC_MAKE_STRING(message);
- field_size = strlen("FILE=") + pe->content_size;
- field = malloc(field_size);
- if (!field)
- return log_oom();
- memcpy(stpcpy(field, "FILE="), pe->content, pe->content_size);
- iovec[n_iovec++] = IOVEC_MAKE(field, field_size);
+ if (pe->content_size > 0) {
+ _cleanup_free_ void *field = NULL;
+ size_t field_size;
+
+ field_size = strlen("FILE=") + pe->content_size;
+ field = malloc(field_size);
+ if (!field)
+ return log_oom();
+ memcpy(stpcpy(field, "FILE="), pe->content, pe->content_size);
+ iovec[n_iovec++] = IOVEC_MAKE(field, field_size);
+ }
r = sd_journal_sendv(iovec, n_iovec);
if (r < 0)