Merge tag 'afs-fixes-20200609' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull AFS fixes from David Howells:
 "A set of small patches to fix some things, most of them minor.

   - Fix a memory leak in afs_put_sysnames()

   - Fix an oops in AFS file locking

   - Fix new use of BUG()

   - Fix debugging statements containing %px

   - Remove afs_zero_fid as it's unused

   - Make afs_zap_data() static"

* tag 'afs-fixes-20200609' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  afs: Make afs_zap_data() static
  afs: Remove afs_zero_fid as it's not used
  afs: Fix debugging statements with %px to be %p
  afs: Fix use of BUG()
  afs: Fix file locking
  afs: Fix memory leak in afs_put_sysnames()

Author: torvalds

fs/afs/dir.c

@@ -980,7 +980,7 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
 	if (!IS_ERR_OR_NULL(inode))
 		fid = AFS_FS_I(inode)->fid;
 
-	_debug("splice %px", dentry->d_inode);
+	_debug("splice %p", dentry->d_inode);
 	d = d_splice_alias(inode, dentry);
 	if (!IS_ERR_OR_NULL(d)) {
 		d->d_fsdata = dentry->d_fsdata;

fs/afs/flock.c

@@ -71,7 +71,7 @@ static void afs_schedule_lock_extension(struct afs_vnode *vnode)
 void afs_lock_op_done(struct afs_call *call)
 {
 	struct afs_operation *op = call->op;
-	struct afs_vnode *vnode = op->lock.lvnode;
+	struct afs_vnode *vnode = op->file[0].vnode;
 
 	if (call->error == 0) {
 		spin_lock(&vnode->lock);

fs/afs/inode.c

@@ -538,7 +538,7 @@ struct inode *afs_root_iget(struct super_block *sb, struct key *key)
  * mark the data attached to an inode as obsolete due to a write on the server
  * - might also want to ditch all the outstanding writes and dirty pages
  */
-void afs_zap_data(struct afs_vnode *vnode)
+static void afs_zap_data(struct afs_vnode *vnode)
 {
 	_enter("{%llx:%llu}", vnode->fid.vid, vnode->fid.vnode);
 

fs/afs/internal.h

@@ -795,7 +795,6 @@ struct afs_operation {
 			struct afs_read *req;
 		} fetch;
 		struct {
-			struct afs_vnode *lvnode;	/* vnode being locked */
 			afs_lock_type_t type;
 		} lock;
 		struct {
@@ -1070,7 +1069,6 @@ extern int afs_ilookup5_test_by_fid(struct inode *, void *);
 extern struct inode *afs_iget_pseudo_dir(struct super_block *, bool);
 extern struct inode *afs_iget(struct afs_operation *, struct afs_vnode_param *);
 extern struct inode *afs_root_iget(struct super_block *, struct key *);
-extern void afs_zap_data(struct afs_vnode *);
 extern bool afs_check_validity(struct afs_vnode *);
 extern int afs_validate(struct afs_vnode *, struct key *);
 extern int afs_getattr(const struct path *, struct kstat *, u32, unsigned int);

fs/afs/proc.c

@@ -567,6 +567,7 @@ void afs_put_sysnames(struct afs_sysnames *sysnames)
 			if (sysnames->subs[i] != afs_init_sysname &&
 			    sysnames->subs[i] != sysnames->blank)
 				kfree(sysnames->subs[i]);
+		kfree(sysnames);
 	}
 }
 

fs/afs/vl_alias.c

@@ -28,7 +28,7 @@ static struct afs_volume *afs_sample_volume(struct afs_cell *cell, struct key *k
 	};
 
 	volume = afs_create_volume(&fc);
-	_leave(" = %px", volume);
+	_leave(" = %p", volume);
 	return volume;
 }
 
@@ -73,7 +73,8 @@ static int afs_compare_addrs(const struct sockaddr_rxrpc *srx_a,
 	}
 
 	default:
-		BUG();
+		WARN_ON(1);
+		diff = 1;
 	}
 
 out:

fs/afs/yfsclient.c

@@ -15,8 +15,6 @@
 #include "xdr_fs.h"
 #include "protocol_yfs.h"
 
-static const struct afs_fid afs_zero_fid;
-
 #define xdr_size(x) (sizeof(*x) / sizeof(__be32))
 
 static void xdr_decode_YFSFid(const __be32 **_bp, struct afs_fid *fid)