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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-22 22:17:15 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-10-25 07:34:53 +0400 |
| commit | e84f9e57b90ca89664d733a7cef19aa7ccd832f3 (patch) | |
| tree | 2766cbae82e38a4356b161a7f48abfd9e4db56ce /drivers/media | |
| parent | 7b00ed6fe6321547b9d51f5bfb30e7b5932e6889 (diff) | |
| download | linux-e84f9e57b90ca89664d733a7cef19aa7ccd832f3.tar.xz | |
consolidate the reassignments of ->f_op in ->open() instances
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb-core/dvbdev.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index 401ef64f92c6..983db75de350 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -74,22 +74,15 @@ static int dvb_device_open(struct inode *inode, struct file *file) if (dvbdev && dvbdev->fops) { int err = 0; - const struct file_operations *old_fops; + const struct file_operations *new_fops; - file->private_data = dvbdev; - old_fops = file->f_op; - file->f_op = fops_get(dvbdev->fops); - if (file->f_op == NULL) { - file->f_op = old_fops; + new_fops = fops_get(dvbdev->fops); + if (!new_fops) goto fail; - } - if(file->f_op->open) + file->private_data = dvbdev; + replace_fops(file, new_fops); + if (file->f_op->open) err = file->f_op->open(inode,file); - if (err) { - fops_put(file->f_op); - file->f_op = fops_get(old_fops); - } - fops_put(old_fops); up_read(&minor_rwsem); mutex_unlock(&dvbdev_mutex); return err; |