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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-22 13:19:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-22 13:19:21 -0800 |
| commit | 2db1125d51c4752ca68d1f015347b6f5b55e9fca (patch) | |
| tree | 6f63b43c99b9b612b4ec3f8a673160fa3fe75111 /drivers/staging | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input (diff) | |
| parent | mount_subtree() pointless use-after-free (diff) | |
| download | linux-dev-2db1125d51c4752ca68d1f015347b6f5b55e9fca.tar.xz linux-dev-2db1125d51c4752ca68d1f015347b6f5b55e9fca.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
mount_subtree() pointless use-after-free
iio: fix a leak due to improper use of anon_inode_getfd()
microblaze: bury asm/namei.h
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/iio/industrialio-core.c | 10 |
1 files changed, 9 insertions, 1 deletions
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) |