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path: root/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
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Diffstat (limited to 'drivers/media/usb/rainshadow-cec/rainshadow-cec.c')
-rw-r--r--drivers/media/usb/rainshadow-cec/rainshadow-cec.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
index f203699e9c1b..65692576690f 100644
--- a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
+++ b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
@@ -116,21 +116,19 @@ static void rain_irq_work_handler(struct work_struct *work)
while (true) {
unsigned long flags;
- bool exit_loop = false;
char data;
spin_lock_irqsave(&rain->buf_lock, flags);
- if (rain->buf_len) {
- data = rain->buf[rain->buf_rd_idx];
- rain->buf_len--;
- rain->buf_rd_idx = (rain->buf_rd_idx + 1) & 0xff;
- } else {
- exit_loop = true;
+ if (!rain->buf_len) {
+ spin_unlock_irqrestore(&rain->buf_lock, flags);
+ break;
}
- spin_unlock_irqrestore(&rain->buf_lock, flags);
- if (exit_loop)
- break;
+ data = rain->buf[rain->buf_rd_idx];
+ rain->buf_len--;
+ rain->buf_rd_idx = (rain->buf_rd_idx + 1) & 0xff;
+
+ spin_unlock_irqrestore(&rain->buf_lock, flags);
if (!rain->cmd_started && data != '?')
continue;