diff options
| author | Mark Brown <broonie@linaro.org> | 2013-11-24 14:35:18 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-11-24 14:35:18 +0000 |
| commit | 30c27abd28fa168d7ebd2e5286f1fe473c74bfa9 (patch) | |
| tree | 9936b38c0c81cd430d5e75906c1207d127fe588c /fs/char_dev.c | |
| parent | 16ec790938d4f356c82fab27b9a9adf4d6fe19a6 (diff) | |
| parent | 6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff) | |
Merge tag 'v3.13-rc1' into asoc-arizona
Linux 3.13-rc1
Diffstat (limited to 'fs/char_dev.c')
| -rw-r--r-- | fs/char_dev.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/char_dev.c b/fs/char_dev.c index afc2bb691780..f77f7702fabe 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -368,6 +368,7 @@ void cdev_put(struct cdev *p) */ static int chrdev_open(struct inode *inode, struct file *filp) { + const struct file_operations *fops; struct cdev *p; struct cdev *new = NULL; int ret = 0; @@ -400,10 +401,11 @@ static int chrdev_open(struct inode *inode, struct file *filp) return ret; ret = -ENXIO; - filp->f_op = fops_get(p->ops); - if (!filp->f_op) + fops = fops_get(p->ops); + if (!fops) goto out_cdev_put; + replace_fops(filp, fops); if (filp->f_op->open) { ret = filp->f_op->open(inode, filp); if (ret) @@ -574,7 +576,8 @@ static struct kobject *base_probe(dev_t dev, int *part, void *data) void __init chrdev_init(void) { cdev_map = kobj_map_init(base_probe, &chrdevs_lock); - bdi_init(&directly_mappable_cdev_bdi); + if (bdi_init(&directly_mappable_cdev_bdi)) + panic("Failed to init directly mappable cdev bdi"); } |