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author | Lennart Poettering <lennart@poettering.net> | 2021-03-23 14:04:59 +0100 |
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committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2021-03-24 11:26:20 +0100 |
commit | 6555b0557624c184f4f8b34617411a02d6365d5a (patch) | |
tree | a69dac3ffd01a21085ab279e533247280012db7d | |
parent | 423b1e759c73fe0bb8257a9e8da27c73e6637220 (diff) | |
download | systemd-6555b0557624c184f4f8b34617411a02d6365d5a.tar.gz |
blockdev-util: actually specify an access mode on open()
Linux is pretty lenient here, but we should specify the access mode.
(cherry picked from commit 86b86107942e84de4eb22944251694c0ae21b3ee)
(cherry picked from commit 857533a523d058e9833a553f6ef192ff1ab33b15)
-rw-r--r-- | src/basic/blockdev-util.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/basic/blockdev-util.c b/src/basic/blockdev-util.c index 4e68e2496b..abf9bf02d8 100644 --- a/src/basic/blockdev-util.c +++ b/src/basic/blockdev-util.c @@ -68,7 +68,7 @@ int get_block_device(const char *path, dev_t *ret) { /* Gets the block device directly backing a file system. If the block device is encrypted, returns * the device mapper block device. */ - fd = open(path, O_NOFOLLOW|O_CLOEXEC); + fd = open(path, O_RDONLY|O_NOFOLLOW|O_CLOEXEC); if (fd < 0) return -errno; |