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commit 7264278fbbdc1dc6c30fedc902d1337594aa6ff6
Author: Lennart Poettering <lennart@poettering.net>
Date: Wed Mar 21 23:47:44 2012 +0100
journal: PAGE_SIZE is not known on ppc and other archs
Let's use NAME_MAX, as suggested by Dan Walsh
diff --git a/src/journal/journald.c b/src/journal/journald.c
index d27cb60..87390bd 100644
--- a/src/journal/journald.c
+++ b/src/journal/journald.c
@@ -29,7 +29,6 @@
#include <sys/ioctl.h>
#include <linux/sockios.h>
#include <sys/statvfs.h>
-#include <sys/user.h>
#include <systemd/sd-journal.h>
#include <systemd/sd-login.h>
@@ -2149,10 +2148,20 @@ static int process_event(Server *s, struct epoll_event *ev) {
size_t label_len = 0;
union {
struct cmsghdr cmsghdr;
+
+ /* We use NAME_MAX space for the
+ * SELinux label here. The kernel
+ * currently enforces no limit, but
+ * according to suggestions from the
+ * SELinux people this will change and
+ * it will probably be identical to
+ * NAME_MAX. For now we use that, but
+ * this should be updated one day when
+ * the final limit is known.*/
uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
CMSG_SPACE(sizeof(struct timeval)) +
- CMSG_SPACE(sizeof(int)) +
- CMSG_SPACE(PAGE_SIZE)]; /* selinux label */
+ CMSG_SPACE(sizeof(int)) + /* fd */
+ CMSG_SPACE(NAME_MAX)]; /* selinux label */
} control;
ssize_t n;
int v;
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