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[4/9] media: max9286: Use of_find_node_by_name_balanced() to find device_node

Message ID 20250207013117.104205-5-zhangzekun11@huawei.com (mailing list archive)
State Changes Requested
Headers show
Series Add wrapper function of_find_node_by_name_balanced() | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 2 maintainers not CCed: mchehab@kernel.org niklas.soderlund+renesas@ragnatech.se
netdev/build_clang success Errors and warnings before: 1 this patch: 1
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 10 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2025-02-07--21-00 (tests: 890)

Commit Message

zhangzekun (A) Feb. 7, 2025, 1:31 a.m. UTC
Instead of directly using of_node_get() before of_find_node_by_name()
to balance the refcount of the device_node, using wraper function
of_find_node_by_name_balanced() to make code logic a bit simplier.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
---
 drivers/media/i2c/max9286.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
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Patch

diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c
index 9fc4e130a273..0299d08a7196 100644
--- a/drivers/media/i2c/max9286.c
+++ b/drivers/media/i2c/max9286.c
@@ -1399,9 +1399,7 @@  static int max9286_parse_dt(struct max9286_priv *priv)
 	u32 i2c_clk_freq = 105000;
 	unsigned int i;
 
-	/* Balance the of_node_put() performed by of_find_node_by_name(). */
-	of_node_get(dev->of_node);
-	i2c_mux = of_find_node_by_name(dev->of_node, "i2c-mux");
+	i2c_mux = of_find_node_by_name_balanced(dev->of_node, "i2c-mux");
 	if (!i2c_mux) {
 		dev_err(dev, "Failed to find i2c-mux node\n");
 		return -EINVAL;