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| author | Lennart Poettering <lennart@poettering.net> | 2020-09-07 19:01:41 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2020-09-08 18:10:26 +0200 |
| commit | d161680e7afb7ae01593ffc5deb6c02bbc08ed19 (patch) | |
| tree | 44085f1277d8de936648d3099a875b907c86182d /src/shared/sleep-config.c | |
| parent | 67f0ac8c79bb08451a70ee314daf06ee081ef24d (diff) | |
| download | systemd-d161680e7afb7ae01593ffc5deb6c02bbc08ed19.tar.gz | |
tree-wide: if get_block_device() returns zero devno, check for it in all cases
And add a comment for the existing cases where things aren't clear
already.
Diffstat (limited to 'src/shared/sleep-config.c')
| -rw-r--r-- | src/shared/sleep-config.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/shared/sleep-config.c b/src/shared/sleep-config.c index 0dccc8f970..96c125b993 100644 --- a/src/shared/sleep-config.c +++ b/src/shared/sleep-config.c @@ -403,6 +403,8 @@ int find_hibernate_location(HibernateLocation **ret_hibernate_location) { r = swap_device_to_device_id(swap, &swap_device); if (r < 0) return log_debug_errno(r, "%s: failed to query device number: %m", swap->device); + if (swap_device == 0) + return log_debug_errno(SYNTHETIC_ERRNO(ENODEV), "%s: not backed by block device.", swap->device); hibernate_location = hibernate_location_free(hibernate_location); hibernate_location = new(HibernateLocation, 1); |