core: convert log_unit_*() to log_unit_*_errno()

Using:
find . -name '*.[ch]' | xargs sed -r -i -e \
's/log_unit_(debug|info|notice|warning|error|emergency)\(([^"]+), "(.*)%s"(.*), strerror\(-([a-zA-Z_]+)\)\);/log_unit_\1_errno(\2, \5, "\3%m"\4);/'

1 files changed, 1 insertions, 1 deletions

diff --git a/src/core/swap.c b/src/core/swap.c
index e41d77aa54..346a5fd712 100644
--- a/src/core/swap.c
+++ b/src/core/swap.c
@@ -410,7 +410,7 @@ static int swap_add_one(
         return 0;
 
 fail:
-        log_unit_warning(e, "Failed to load swap unit: %s", strerror(-r));
+        log_unit_warning_errno(e, r, "Failed to load swap unit: %m");
 
         if (delete && u)
                 unit_free(u);