Thread (3 messages) 3 messages, 3 authors, 2025-10-23
STALE260d

[PATCH] remoteproc: mtk_scp: remove unnecessary checking

From: Dan Carpenter <hidden>
Date: 2025-10-22 12:04:00
Also in: kernel-janitors, linux-mediatek, linux-remoteproc, lkml
Subsystem: remote processor (remoteproc) subsystem, the rest · Maintainers: Bjorn Andersson, Mathieu Poirier, Linus Torvalds

The kernel implementation of snprintf() cannot return negative error
codes.  Also these particular calls to snprintf() can't return zero
and the code to handle a zero return is sort of questionable.  Just
delete this impossible code.

Signed-off-by: Dan Carpenter <redacted>
---
 drivers/remoteproc/mtk_scp.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 10e3f9eb8cd2..9b624948a572 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -1127,11 +1127,9 @@ static const char *scp_get_default_fw_path(struct device *dev, int core_id)
 		return ERR_PTR(-EINVAL);
 
 	if (core_id >= 0)
-		ret = snprintf(scp_fw_file, ARRAY_SIZE(scp_fw_file), "scp_c%1d", core_id);
+		snprintf(scp_fw_file, ARRAY_SIZE(scp_fw_file), "scp_c%1d", core_id);
 	else
-		ret = snprintf(scp_fw_file, ARRAY_SIZE(scp_fw_file), "scp");
-	if (ret <= 0)
-		return ERR_PTR(ret);
+		snprintf(scp_fw_file, ARRAY_SIZE(scp_fw_file), "scp");
 
 	/* Not using strchr here, as strlen of a const gets optimized by compiler */
 	soc = &compatible[strlen("mediatek,")];
-- 
2.51.0

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