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udev-node: do not ignore unexpected errors on removing symlink in stack directory

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Only acceptable error here is -ENOENT.
This commit is contained in:
Yu Watanabe 2021-09-12 16:14:27 +09:00
parent 3df566a667
commit 0706cdf4ec
1 changed files with 14 additions and 9 deletions
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23
src/udev/udev-node.c
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@ -334,25 +334,30 @@ static int update_stack_directory(sd_device *dev, const char *dirname, bool add)
return log_oom_debug();
if (!add) {
bool unlink_failed = false;
int unlink_error = 0, stat_error = 0;
if (stat(dirname, &st) < 0) {
if (errno == ENOENT)
return 0; /* The stack directory is already removed. That's OK. */
log_device_debug_errno(dev, errno, "Failed to stat %s, ignoring: %m", dirname);
stat_error = -errno;
}
if (unlink(filename) < 0) {
unlink_failed = true;
if (errno != ENOENT)
log_device_debug_errno(dev, errno, "Failed to remove %s, ignoring: %m", filename);
}
if (unlink(filename) < 0)
unlink_error = -errno;
if (rmdir(dirname) >= 0 || errno == ENOENT)
return 0;
if (unlink_failed)
return 0; /* If we failed to remove the symlink, there is almost nothing we can do. */
if (unlink_error < 0) {
if (unlink_error == -ENOENT)
return 0;
/* If we failed to remove the symlink, then there is almost nothing we can do. */
return log_device_debug_errno(dev, unlink_error, "Failed to remove %s: %m", filename);
}
if (stat_error < 0)
return log_device_debug_errno(dev, stat_error, "Failed to stat %s: %m", dirname);
/* The symlink was removed. Check if the timestamp of directory is changed. */
r = update_timestamp(dev, dirname, &st);