Since ipu3_css_buf_dequeue() never returns NULL, remove the dead code to fix static checker warning: drivers/staging/media/ipu3/ipu3.c:493 imgu_isr_threaded() warn: 'b' is an error pointer or valid Signed-off-by: Yong Zhi <yong.zhi@xxxxxxxxx> --- Link to Dan's bug report: https://www.spinics.net/lists/linux-media/msg145043.html drivers/staging/media/ipu3/ipu3.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/staging/media/ipu3/ipu3.c b/drivers/staging/media/ipu3/ipu3.c index d521b3afb8b1..839d9398f8e9 100644 --- a/drivers/staging/media/ipu3/ipu3.c +++ b/drivers/staging/media/ipu3/ipu3.c @@ -489,12 +489,11 @@ static irqreturn_t imgu_isr_threaded(int irq, void *imgu_ptr) mutex_unlock(&imgu->lock); } while (PTR_ERR(b) == -EAGAIN); - if (IS_ERR_OR_NULL(b)) { - if (!b || PTR_ERR(b) == -EBUSY) /* All done */ - break; - dev_err(&imgu->pci_dev->dev, - "failed to dequeue buffers (%ld)\n", - PTR_ERR(b)); + if (IS_ERR(b)) { + if (PTR_ERR(b) != -EBUSY) /* All done */ + dev_err(&imgu->pci_dev->dev, + "failed to dequeue buffers (%ld)\n", + PTR_ERR(b)); break; } -- 2.7.4
