diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/generic_nvram.c | 4 | ||||
| -rw-r--r-- | drivers/char/nvram.c | 2 | ||||
| -rw-r--r-- | drivers/char/ps3flash.c | 13 |
3 files changed, 17 insertions, 2 deletions
diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c index 0e941b57482e..6c4f4b5a9dd3 100644 --- a/drivers/char/generic_nvram.c +++ b/drivers/char/generic_nvram.c @@ -34,12 +34,16 @@ static ssize_t nvram_len; static loff_t nvram_llseek(struct file *file, loff_t offset, int origin) { switch (origin) { + case 0: + break; case 1: offset += file->f_pos; break; case 2: offset += nvram_len; break; + default: + offset = -1; } if (offset < 0) return -EINVAL; diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 166f1e7aaa7e..da3cfee782dc 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -224,6 +224,8 @@ static loff_t nvram_llseek(struct file *file, loff_t offset, int origin) case 2: offset += NVRAM_BYTES; break; + default: + return -EINVAL; } return (offset >= 0) ? (file->f_pos = offset) : -EINVAL; diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c index 85c004a518ee..d0c57c2e2909 100644 --- a/drivers/char/ps3flash.c +++ b/drivers/char/ps3flash.c @@ -101,12 +101,16 @@ static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin) mutex_lock(&file->f_mapping->host->i_mutex); switch (origin) { + case 0: + break; case 1: offset += file->f_pos; break; case 2: offset += dev->regions[dev->region_idx].size*dev->blk_size; break; + default: + offset = -1; } if (offset < 0) { res = -EINVAL; @@ -305,9 +309,14 @@ static int ps3flash_flush(struct file *file, fl_owner_t id) return ps3flash_writeback(ps3flash_dev); } -static int ps3flash_fsync(struct file *file, int datasync) +static int ps3flash_fsync(struct file *file, loff_t start, loff_t end, int datasync) { - return ps3flash_writeback(ps3flash_dev); + struct inode *inode = file->f_path.dentry->d_inode; + int err; + mutex_lock(&inode->i_mutex); + err = ps3flash_writeback(ps3flash_dev); + mutex_unlock(&inode->i_mutex); + return err; } static irqreturn_t ps3flash_interrupt(int irq, void *data) |