From: Colin Ian King <colin.king@xxxxxxxxxxxxx> The check for a zero retval is redundant as all paths that lead to this point have set retval to an error return value that is non-zero. Remove the redundant check. Detected by CoverityScan, CID#102589 ("Logically dead code") Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> --- drivers/media/firewire/firedtv-fw.c | 3 +++ drivers/media/pci/cx18/cx18-driver.c | 2 -- drivers/regulator/vctrl-regulator.c | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/firewire/firedtv-fw.c b/drivers/media/firewire/firedtv-fw.c index 92f4112d2e37..eed55be21836 100644 --- a/drivers/media/firewire/firedtv-fw.c +++ b/drivers/media/firewire/firedtv-fw.c @@ -271,6 +271,9 @@ static int node_probe(struct fw_unit *unit, const struct ieee1394_device_id *id) name_len = fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)); + if (name_len < 0) + return name_len; + for (i = ARRAY_SIZE(model_names); --i; ) if (strlen(model_names[i]) <= name_len && strncmp(name, model_names[i], name_len) == 0) diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c index 8f314ca320c7..0c389a3fb4e5 100644 --- a/drivers/media/pci/cx18/cx18-driver.c +++ b/drivers/media/pci/cx18/cx18-driver.c @@ -1134,8 +1134,6 @@ static int cx18_probe(struct pci_dev *pci_dev, free_workqueues: destroy_workqueue(cx->in_work_queue); err: - if (retval == 0) - retval = -ENODEV; CX18_ERR("Error %d on initialization\n", retval); v4l2_device_unregister(&cx->v4l2_dev); diff --git a/drivers/regulator/vctrl-regulator.c b/drivers/regulator/vctrl-regulator.c index 78de002037c7..044e5a5ca163 100644 --- a/drivers/regulator/vctrl-regulator.c +++ b/drivers/regulator/vctrl-regulator.c @@ -340,7 +340,7 @@ static int vctrl_init_vtable(struct platform_device *pdev) } } - if (rdesc->n_voltages == 0) { + if (rdesc->n_voltages <= 0) { dev_err(&pdev->dev, "invalid configuration\n"); return -EINVAL; } -- 2.17.0