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authorThomas Hindoe Paaboel Andersen <phomes@gmail.com>2014-09-15 22:36:43 +0200
committerThomas Hindoe Paaboel Andersen <phomes@gmail.com>2014-09-16 21:31:15 +0200
commitb49ffb29ed902f173852707652b3e3c9c303cebb (patch)
treeb7dfbe2f929a0ecea9888e369ca1aa3d71fe0ad8 /src/network/networkd-link.c
parentd498a616075ebfd8025d66c4c4f725d24eb3aca3 (diff)
sd-bus: sd_bus_message_get_errno should only return positive errno
sd_bus_message_get_errno can currently return either a number of different poitive errno values (from bus-error-mapping), or a negative EINVAL if passed null as parameter. The check for null parameter was introduced in 40ca29a1370379d43e44c0ed425eecc7218dcbca at the same as the function was renamed from bus_message_to_errno and made public API. Before becoming public the function used to return only negative values. It is weird to have a function return both positive and negative errno and it generally looks like a mistake. The function is guarded by the --enable-kdbus flags so I wonder if we still have time to fix it up? It does not have any documentation yet. However, except for a few details it is just a convenient way to call sd_bus_error_get_errno which is documented to return only positive errno. This patch makes it return only positive errno and fixes up the two calls to the function that tried to cope with both positive and negative values.
Diffstat (limited to 'src/network/networkd-link.c')
-rw-r--r--src/network/networkd-link.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 9bf1a811c9..427f6953c5 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -725,8 +725,6 @@ static int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata,
return 1;
r = sd_bus_message_get_errno(m);
- if (r < 0)
- r = -r;
if (r > 0)
log_warning_link(link, "Could not set hostname: %s",
strerror(r));