Don't fatal_error if required mounts are already mounted
 

Change loader/init.c so it doesn't bother checking the return value
of mount(). Instead it just checks to see if the mount functions as
expected - for example, after mounting /proc it checks to see if
/proc/cmdline exists.
---
loader/init.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/loader/init.c b/loader/init.c
index 39bade0..f823acd 100644
--- a/loader/init.c
+++ b/loader/init.c
@@ -569,7 +569,8 @@ int main(int argc, char **argv) {
printf("anaconda installer init version %s starting
", VERSION);

printf("mounting /proc filesystem... ");
- if (mount("/proc", "/proc", "proc", 0, NULL))
+ mount("/proc", "proc", "proc", 0, NULL);
+ if (access("/proc/cmdline", R_OK) == -1)
fatal_error(1);
printf("done
");

@@ -590,7 +591,8 @@ int main(int argc, char **argv) {
}

printf("creating /dev filesystem... ");
- if (mount("/dev", "/dev", "tmpfs", 0, NULL))
+ mount("/dev", "/dev", "tmpfs", 0, NULL);
+ if (access("/dev", W_OK) == -1)
fatal_error(1);
createDevices();
printf("done
");
@@ -628,12 +630,14 @@ int main(int argc, char **argv) {
printf("done
");

printf("mounting /dev/pts (unix98 pty) filesystem... ");
- if (mount("/dev/pts", "/dev/pts", "devpts", 0, NULL))
+ mount("/dev/pts", "/dev/pts", "devpts", 0, NULL);
+ if (access("/dev/pts/ptmx", F_OK) == -1)
fatal_error(1);
printf("done
");

printf("mounting /sys filesystem... ");
- if (mount("/sys", "/sys", "sysfs", 0, NULL))
+ mount("/sys", "/sys", "sysfs", 0, NULL);
+ if (access("/sys/class/block", R_OK) == -1)
fatal_error(1);
printf("done
");

@@ -777,7 +781,8 @@ int main(int argc, char **argv) {
mkdir("/tmp", 0755);

printf("mounting /tmp as tmpfs... ");
- if (mount("none", "/tmp", "tmpfs", 0, "size=250m"))
+ mount("none", "/tmp", "tmpfs", 0, "size=250m");
+ if (access("/tmp", W_OK) == -1)
fatal_error(1);
printf("done
");

--
1.7.4

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