diff options
Diffstat (limited to 'drivers/staging/media/lirc/lirc_sasem.c')
| -rw-r--r-- | drivers/staging/media/lirc/lirc_sasem.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/staging/media/lirc/lirc_sasem.c b/drivers/staging/media/lirc/lirc_sasem.c index 4678ae10b030..b0c176e14b6b 100644 --- a/drivers/staging/media/lirc/lirc_sasem.c +++ b/drivers/staging/media/lirc/lirc_sasem.c @@ -103,7 +103,8 @@ struct sasem_context { struct tx_t { unsigned char data_buf[SASEM_DATA_BUF_SZ]; /* user data - * buffer */ + * buffer + */ struct completion finished; /* wait for write to finish */ atomic_t busy; /* write in progress */ int status; /* status of tx completion */ @@ -295,7 +296,8 @@ static int vfd_close(struct inode *inode, struct file *file) if (!context->dev_present && !context->ir_isopen) { /* Device disconnected before close and IR port is * not open. If IR port is open, context will be - * deleted by ir_close. */ + * deleted by ir_close. + */ mutex_unlock(&context->ctx_lock); delete_context(context); return retval; @@ -384,9 +386,8 @@ static ssize_t vfd_write(struct file *file, const char __user *buf, data_buf = memdup_user(buf, n_bytes); if (IS_ERR(data_buf)) { - retval = PTR_ERR(data_buf); - data_buf = NULL; - goto exit; + mutex_unlock(&context->ctx_lock); + return PTR_ERR(data_buf); } memcpy(context->tx.data_buf, data_buf, n_bytes); @@ -397,7 +398,8 @@ static ssize_t vfd_write(struct file *file, const char __user *buf, /* Nine 8 byte packets to be sent */ /* NOTE: "\x07\x01\0\0\0\0\0\0" or "\x0c\0\0\0\0\0\0\0" - * will clear the VFD */ + * will clear the VFD + */ for (i = 0; i < 9; i++) { switch (i) { case 0: |