/* The part parse_table() does */
for ( ; table->ctl_name || table->procname; table++) {
if (!table->ctl_name)
continue;
if (n == table->ctl_name) {
return do_sysctl_strategy();
}
}
return -ENOTDIR;
/* is equivalent to */
for ( ; table->ctl_name || table->procname; table++) {
if (n == table->ctl_name && n) {
return do_sysctl_strategy();
}
}
return -ENOTDIR;
/* is equivalent to */
if (n) {
for ( ; table->ctl_name || table->procname; table++) {
if (n == table->ctl_name) {
return do_sysctl_strategy();
}
}
}
return -ENOTDIR;
/* and here is a patch. I think this change is harmless. */
-----
Signed-off-by: Tetsuo Handa <[email protected]>
sysctl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -ur linux-2.6.22-orig/kernel/sysctl.c linux-2.6.22/kernel/sysctl.c
--- linux-2.6.22-orig/kernel/sysctl.c 2007-07-09 08:32:17.000000000 +0900
+++ linux-2.6.22/kernel/sysctl.c 2007-07-20 12:23:17.000000000 +0900
@@ -1190,9 +1190,9 @@
return -ENOTDIR;
if (get_user(n, name))
return -EFAULT;
+ if (!n)
+ return -ENOTDIR;
for ( ; table->ctl_name || table->procname; table++) {
- if (!table->ctl_name)
- continue;
if (n == table->ctl_name) {
int error;
if (table->child) {
-
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