linux-next: build warning after merge of the cifs tree

From: Stephen Rothwell
Date: Sun Jun 25 2017 - 20:08:29 EST


Hi all,

After merging the cifs tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

In file included from include/linux/kernel.h:13:0,
from include/linux/list.h:8,
from include/linux/wait.h:6,
from include/linux/fs.h:5,
from fs/cifs/smb2transport.c:25:
fs/cifs/smb2transport.c: In function 'generate_smb3signingkey':
fs/cifs/cifs_debug.h:55:24: warning: field width specifier '*' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=]
pr_debug_ratelimited("%s: " \
^
include/linux/printk.h:285:21: note: in definition of macro 'pr_fmt'
#define pr_fmt(fmt) fmt
^
fs/cifs/cifs_debug.h:55:3: note: in expansion of macro 'pr_debug_ratelimited'
pr_debug_ratelimited("%s: " \
^
fs/cifs/smb2transport.c:352:2: note: in expansion of macro 'cifs_dbg'
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^
In file included from fs/cifs/smb2transport.c:39:0:
fs/cifs/smb2transport.c:352:16: warning: field width specifier '*' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Wformat=]
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^
fs/cifs/cifs_debug.h:58:16: note: in definition of macro 'cifs_dbg'
cifs_vfs_err(fmt, ##__VA_ARGS__); \
^
In file included from include/linux/kernel.h:13:0,
from include/linux/list.h:8,
from include/linux/wait.h:6,
from include/linux/fs.h:5,
from fs/cifs/smb2transport.c:25:
fs/cifs/smb2transport.c:352:16: warning: field width specifier '*' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Wformat=]
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^
include/linux/printk.h:285:21: note: in definition of macro 'pr_fmt'
#define pr_fmt(fmt) fmt
^
fs/cifs/cifs_debug.h:60:3: note: in expansion of macro 'pr_debug_ratelimited'
pr_debug_ratelimited(fmt, ##__VA_ARGS__); \
^
fs/cifs/smb2transport.c:352:2: note: in expansion of macro 'cifs_dbg'
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^

Introduced by commit

ba4f2a8b205f ("CIFS: add CONFIG_CIFS_DEBUG_KEYS to dump encryption keys")

--
Cheers,
Stephen Rothwell