diff options
| -rw-r--r-- | net/sunrpc/sysctl.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c index 887f0183b4c6..c88d9bc06f5c 100644 --- a/net/sunrpc/sysctl.c +++ b/net/sunrpc/sysctl.c @@ -76,7 +76,7 @@ static int proc_dodebug(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { - char tmpbuf[20], c, *s; + char tmpbuf[20], c, *s = NULL; char __user *p; unsigned int value; size_t left, len; @@ -103,23 +103,24 @@ proc_dodebug(struct ctl_table *table, int write, return -EFAULT; tmpbuf[left] = '\0'; - for (s = tmpbuf, value = 0; '0' <= *s && *s <= '9'; s++, left--) - value = 10 * value + (*s - '0'); - if (*s && !isspace(*s)) - return -EINVAL; - while (left && isspace(*s)) - left--, s++; + value = simple_strtol(tmpbuf, &s, 0); + if (s) { + left -= (s - tmpbuf); + if (left && !isspace(*s)) + return -EINVAL; + while (left && isspace(*s)) + left--, s++; + } else + left = 0; *(unsigned int *) table->data = value; /* Display the RPC tasks on writing to rpc_debug */ if (strcmp(table->procname, "rpc_debug") == 0) rpc_show_tasks(&init_net); } else { - if (!access_ok(VERIFY_WRITE, buffer, left)) - return -EFAULT; - len = sprintf(tmpbuf, "%d", *(unsigned int *) table->data); + len = sprintf(tmpbuf, "0x%04x", *(unsigned int *) table->data); if (len > left) len = left; - if (__copy_to_user(buffer, tmpbuf, len)) + if (copy_to_user(buffer, tmpbuf, len)) return -EFAULT; if ((left -= len) > 0) { if (put_user('\n', (char __user *)buffer + len)) |