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-rw-r--r--kernel/sysctl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b125830..f948f20 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2253,6 +2253,8 @@ 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);
@@ -2279,7 +2281,7 @@ 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) {
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