Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/roste...

[karo-tx-linux.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 84ff5e75c084f2d4ccbe94fd6ce0a43061726125..997080f00e0bcbfca3669af93a97eb5951c17811 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2287,6 +2287,8 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
                if (write) {
                        left -= proc_skip_spaces(&kbuf);
 
+                       if (!left)
+                               break;
                        err = proc_get_long(&kbuf, &left, &lval, &neg,
                                             proc_wspace_sep,
                                             sizeof(proc_wspace_sep), NULL);
@@ -2313,7 +2315,7 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
 
        if (!write && !first && left && !err)
                err = proc_put_char(&buffer, &left, '\n');
-       if (write && !err)
+       if (write && !err && left)
                left -= proc_skip_spaces(&kbuf);
 free:
        if (write) {