SUNRPC: Address kbuild warning in net/sunrpc/debugfs.c
Cross-compile test on ARCH=mn10300:
In file included from include/linux/list.h:8:0,
from include/linux/wait.h:6,
from include/linux/fs.h:6,
from include/linux/debugfs.h:18,
from net/sunrpc/debugfs.c:7:
net/sunrpc/debugfs.c: In function 'fault_disconnect_write':
include/linux/kernel.h:723:17: warning: comparison of distinct pointer
types lacks a cast
(void) (&_min1 == &_min2); \
^
>> net/sunrpc/debugfs.c:307:8: note: in expansion of macro 'min'
len = min(len, sizeof(buffer) - 1);
Fixes: ('SUNRPC: Transport fault injection')
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/net/sunrpc/debugfs.c b/net/sunrpc/debugfs.c
index 7cc1b8a..e7b4d93 100644
--- a/net/sunrpc/debugfs.c
+++ b/net/sunrpc/debugfs.c
@@ -304,7 +304,8 @@
{
char buffer[16];
- len = min(len, sizeof(buffer) - 1);
+ if (len >= sizeof(buffer))
+ len = sizeof(buffer) - 1;
if (copy_from_user(buffer, user_buf, len))
return -EFAULT;
buffer[len] = '\0';