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smack-setup: include error cause in log message

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This commit is contained in:
Lennart Poettering 2018-10-18 16:14:25 +02:00
parent ea8b6526b9
commit 9fd0b02913
1 changed files with 5 additions and 4 deletions
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9
src/core/smack-setup.c
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@ -279,7 +279,8 @@ static int write_onlycap_list(void) {
f = fopen("/etc/smack/onlycap", "re");
if (!f) {
if (errno != ENOENT)
log_warning_errno(errno, "Failed to read '/etc/smack/onlycap'");
log_warning_errno(errno, "Failed to read '/etc/smack/onlycap': %m");
return errno == ENOENT ? ENOENT : -errno;
}
@ -304,7 +305,7 @@ static int write_onlycap_list(void) {
len += l + 1;
}
if (!len)
if (len == 0)
return 0;
list[len - 1] = 0;
@ -312,13 +313,13 @@ static int write_onlycap_list(void) {
onlycap_fd = open("/sys/fs/smackfs/onlycap", O_WRONLY|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
if (onlycap_fd < 0) {
if (errno != ENOENT)
log_warning_errno(errno, "Failed to open '/sys/fs/smackfs/onlycap'");
log_warning_errno(errno, "Failed to open '/sys/fs/smackfs/onlycap': %m");
return -errno; /* negative error */
}
r = write(onlycap_fd, list, len);
if (r < 0)
return log_error_errno(errno, "Failed to write onlycap list(%s) to '/sys/fs/smackfs/onlycap'", list);
return log_error_errno(errno, "Failed to write onlycap list(%s) to '/sys/fs/smackfs/onlycap': %m", list);
return 0;
}