[PATCH 09/11] soc: ti: knav_dma: Remove dead check on unsigned args.args[0]

From: Nishanth Menon

Date: Fri May 08 2026 - 11:38:14 EST


smatch warns:

knav_dma.c:390 of_channel_match_helper() warn: unsigned
'args.args[0]' is never less than zero.

of_phandle_args.args[] is uint32_t, so the 'args.args[0] < 0' check
is always false. of_parse_phandle_with_fixed_args() already handles
errors by returning a non-zero code, which is checked immediately
above. Remove the dead check.

Signed-off-by: Nishanth Menon <nm@xxxxxx>
---
drivers/soc/ti/knav_dma.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c
index 462d181ca564..7ba6fd58e9ce 100644
--- a/drivers/soc/ti/knav_dma.c
+++ b/drivers/soc/ti/knav_dma.c
@@ -387,11 +387,6 @@ static int of_channel_match_helper(struct device_node *np, const char *name,
return -ENODEV;
}

- if (args.args[0] < 0) {
- dev_err(kdev->dev, "Missing args for %s\n", name);
- return -ENODEV;
- }
-
return args.args[0];
}

--
2.47.0