* [nfs:testing 57/58] fs//nfs/callback_proc.c:44:3: note: in expansion of macro 'if'
@ 2018-06-08 20:35 kbuild test robot
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From: kbuild test robot @ 2018-06-08 20:35 UTC (permalink / raw)
To: Trond Myklebust; +Cc: kbuild-all, linux-nfs
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tree: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git testing
head: 1ccf10857d962822e7447f5c0c891b3172817683
commit: 9c92cbfac3614a8b5ba5f735d1b3617a7e30e16b [57/58] NFSv4: Return NFS4ERR_DELAY when a delegation recall fails due to igrab()
config: i386-randconfig-x003-201822 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
git checkout 9c92cbfac3614a8b5ba5f735d1b3617a7e30e16b
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/nfs4.h:16,
from fs//nfs/callback_proc.c:9:
fs//nfs/callback_proc.c: In function 'nfs4_callback_getattr':
fs//nfs/callback_proc.c:44:24: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast [-Wint-conversion]
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> fs//nfs/callback_proc.c:44:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
In file included from arch/x86/include/asm/processor.h:32:0,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from include/linux/uio.h:13,
from include/linux/socket.h:8,
from include/uapi/linux/in.h:24,
from include/linux/in.h:23,
from include/linux/nfs_fs.h:22,
from fs//nfs/callback_proc.c:10:
include/linux/err.h:29:33: note: expected 'const void *' but argument is of type 'int'
static inline long __must_check PTR_ERR(__force const void *ptr)
^~~~~~~
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/nfs4.h:16,
from fs//nfs/callback_proc.c:9:
fs//nfs/callback_proc.c:44:13: warning: comparison between pointer and integer
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> fs//nfs/callback_proc.c:44:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
fs//nfs/callback_proc.c:44:24: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast [-Wint-conversion]
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> fs//nfs/callback_proc.c:44:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
In file included from arch/x86/include/asm/processor.h:32:0,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from include/linux/uio.h:13,
from include/linux/socket.h:8,
from include/uapi/linux/in.h:24,
from include/linux/in.h:23,
from include/linux/nfs_fs.h:22,
from fs//nfs/callback_proc.c:10:
include/linux/err.h:29:33: note: expected 'const void *' but argument is of type 'int'
static inline long __must_check PTR_ERR(__force const void *ptr)
^~~~~~~
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/nfs4.h:16,
from fs//nfs/callback_proc.c:9:
fs//nfs/callback_proc.c:44:13: warning: comparison between pointer and integer
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> fs//nfs/callback_proc.c:44:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
fs//nfs/callback_proc.c:44:24: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast [-Wint-conversion]
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> fs//nfs/callback_proc.c:44:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
In file included from arch/x86/include/asm/processor.h:32:0,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from include/linux/uio.h:13,
from include/linux/socket.h:8,
from include/uapi/linux/in.h:24,
from include/linux/in.h:23,
from include/linux/nfs_fs.h:22,
from fs//nfs/callback_proc.c:10:
include/linux/err.h:29:33: note: expected 'const void *' but argument is of type 'int'
static inline long __must_check PTR_ERR(__force const void *ptr)
^~~~~~~
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/nfs4.h:16,
from fs//nfs/callback_proc.c:9:
fs//nfs/callback_proc.c:44:13: warning: comparison between pointer and integer
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> fs//nfs/callback_proc.c:44:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
fs//nfs/callback_proc.c: In function 'nfs4_callback_recall':
fs//nfs/callback_proc.c:92:24: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast [-Wint-conversion]
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
fs//nfs/callback_proc.c:92:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
In file included from arch/x86/include/asm/processor.h:32:0,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from include/linux/uio.h:13,
from include/linux/socket.h:8,
from include/uapi/linux/in.h:24,
from include/linux/in.h:23,
from include/linux/nfs_fs.h:22,
from fs//nfs/callback_proc.c:10:
include/linux/err.h:29:33: note: expected 'const void *' but argument is of type 'int'
static inline long __must_check PTR_ERR(__force const void *ptr)
^~~~~~~
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/nfs4.h:16,
from fs//nfs/callback_proc.c:9:
fs//nfs/callback_proc.c:92:13: warning: comparison between pointer and integer
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
fs//nfs/callback_proc.c:92:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
fs//nfs/callback_proc.c:92:24: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast [-Wint-conversion]
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
fs//nfs/callback_proc.c:92:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
In file included from arch/x86/include/asm/processor.h:32:0,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from include/linux/uio.h:13,
from include/linux/socket.h:8,
from include/uapi/linux/in.h:24,
from include/linux/in.h:23,
from include/linux/nfs_fs.h:22,
from fs//nfs/callback_proc.c:10:
include/linux/err.h:29:33: note: expected 'const void *' but argument is of type 'int'
static inline long __must_check PTR_ERR(__force const void *ptr)
^~~~~~~
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/nfs4.h:16,
from fs//nfs/callback_proc.c:9:
fs//nfs/callback_proc.c:92:13: warning: comparison between pointer and integer
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
fs//nfs/callback_proc.c:92:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
fs//nfs/callback_proc.c:92:24: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast [-Wint-conversion]
if (inode == PTR_ERR(-EAGAIN))
^
include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
fs//nfs/callback_proc.c:92:3: note: in expansion of macro 'if'
if (inode == PTR_ERR(-EAGAIN))
^~
In file included from arch/x86/include/asm/processor.h:32:0,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from include/linux/uio.h:13,
from include/linux/socket.h:8,
from include/uapi/linux/in.h:24,
from include/linux/in.h:23,
from include/linux/nfs_fs.h:22,
from fs//nfs/callback_proc.c:10:
include/linux/err.h:29:33: note: expected 'const void *' but argument is of type 'int'
static inline long __must_check PTR_ERR(__force const void *ptr)
^~~~~~~
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/nfs4.h:16,
from fs//nfs/callback_proc.c:9:
fs//nfs/callback_proc.c:92:13: warning: comparison between pointer and integer
vim +/if +44 fs//nfs/callback_proc.c
> 9 #include <linux/nfs4.h>
10 #include <linux/nfs_fs.h>
11 #include <linux/slab.h>
12 #include <linux/rcupdate.h>
13 #include "nfs4_fs.h"
14 #include "callback.h"
15 #include "delegation.h"
16 #include "internal.h"
17 #include "pnfs.h"
18 #include "nfs4session.h"
19 #include "nfs4trace.h"
20
21 #define NFSDBG_FACILITY NFSDBG_CALLBACK
22
23 __be32 nfs4_callback_getattr(void *argp, void *resp,
24 struct cb_process_state *cps)
25 {
26 struct cb_getattrargs *args = argp;
27 struct cb_getattrres *res = resp;
28 struct nfs_delegation *delegation;
29 struct nfs_inode *nfsi;
30 struct inode *inode;
31
32 res->status = htonl(NFS4ERR_OP_NOT_IN_SESSION);
33 if (!cps->clp) /* Always set for v4.0. Set in cb_sequence for v4.1 */
34 goto out;
35
36 res->bitmap[0] = res->bitmap[1] = 0;
37 res->status = htonl(NFS4ERR_BADHANDLE);
38
39 dprintk_rcu("NFS: GETATTR callback request from %s\n",
40 rpc_peeraddr2str(cps->clp->cl_rpcclient, RPC_DISPLAY_ADDR));
41
42 inode = nfs_delegation_find_inode(cps->clp, &args->fh);
43 if (IS_ERR(inode)) {
> 44 if (inode == PTR_ERR(-EAGAIN))
45 res->status = htonl(NFS4ERR_DELAY);
46 trace_nfs4_cb_getattr(cps->clp, &args->fh, NULL,
47 -ntohl(res->status));
48 goto out;
49 }
50 nfsi = NFS_I(inode);
51 rcu_read_lock();
52 delegation = rcu_dereference(nfsi->delegation);
53 if (delegation == NULL || (delegation->type & FMODE_WRITE) == 0)
54 goto out_iput;
55 res->size = i_size_read(inode);
56 res->change_attr = delegation->change_attr;
57 if (nfs_have_writebacks(inode))
58 res->change_attr++;
59 res->ctime = inode->i_ctime;
60 res->mtime = inode->i_mtime;
61 res->bitmap[0] = (FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE) &
62 args->bitmap[0];
63 res->bitmap[1] = (FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY) &
64 args->bitmap[1];
65 res->status = 0;
66 out_iput:
67 rcu_read_unlock();
68 trace_nfs4_cb_getattr(cps->clp, &args->fh, inode, -ntohl(res->status));
69 iput(inode);
70 out:
71 dprintk("%s: exit with status = %d\n", __func__, ntohl(res->status));
72 return res->status;
73 }
74
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