diff options
| -rw-r--r-- | arch/microblaze/include/asm/namei.h | 22 | ||||
| -rw-r--r-- | drivers/staging/iio/industrialio-core.c | 10 | ||||
| -rw-r--r-- | fs/namespace.c | 6 |
3 files changed, 13 insertions, 25 deletions
diff --git a/arch/microblaze/include/asm/namei.h b/arch/microblaze/include/asm/namei.h deleted file mode 100644 index 61d60b8a07d5..000000000000 --- a/arch/microblaze/include/asm/namei.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_NAMEI_H -#define _ASM_MICROBLAZE_NAMEI_H - -#ifdef __KERNEL__ - -/* This dummy routine maybe changed to something useful - * for /usr/gnemul/ emulation stuff. - * Look at asm-sparc/namei.h for details. - */ -#define __emul_prefix() NULL - -#endif /* __KERNEL__ */ - -#endif /* _ASM_MICROBLAZE_NAMEI_H */ diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 326e967d54ef..26564094e33b 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -242,6 +242,8 @@ static const struct file_operations iio_event_chrdev_fileops = { static int iio_event_getfd(struct iio_dev *indio_dev) { + int fd; + if (indio_dev->event_interface == NULL) return -ENODEV; @@ -252,9 +254,15 @@ static int iio_event_getfd(struct iio_dev *indio_dev) return -EBUSY; } mutex_unlock(&indio_dev->event_interface->event_list_lock); - return anon_inode_getfd("iio:event", + fd = anon_inode_getfd("iio:event", &iio_event_chrdev_fileops, indio_dev->event_interface, O_RDONLY); + if (fd < 0) { + mutex_lock(&indio_dev->event_interface->event_list_lock); + clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); + mutex_unlock(&indio_dev->event_interface->event_list_lock); + } + return fd; } static int __init iio_init(void) diff --git a/fs/namespace.c b/fs/namespace.c index 50ee30345b4f..6d3a1963879b 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2493,6 +2493,7 @@ EXPORT_SYMBOL(create_mnt_ns); struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) { struct mnt_namespace *ns; + struct super_block *s; struct path path; int err; @@ -2509,10 +2510,11 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) return ERR_PTR(err); /* trade a vfsmount reference for active sb one */ - atomic_inc(&path.mnt->mnt_sb->s_active); + s = path.mnt->mnt_sb; + atomic_inc(&s->s_active); mntput(path.mnt); /* lock the sucker */ - down_write(&path.mnt->mnt_sb->s_umount); + down_write(&s->s_umount); /* ... and return the root of (sub)tree on it */ return path.dentry; } |