linux-kernel - [PATCH v2] kernel: resource: Remove unnecessary ‘0’ values from err

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Message-Id: <20230715182428.3348-1-kunyu@nfschina.com>
Date:   Sun, 16 Jul 2023 02:24:28 +0800
From:   Li kunyu <kunyu@...china.com>
To:     dan.j.williams@...el.com, gregkh@...uxfoundation.org,
        Jonathan.Cameron@...wei.com, ira.weiny@...el.com,
        bhelgaas@...gle.com, andriy.shevchenko@...ux.intel.com
Cc:     linux-kernel@...r.kernel.org, Li kunyu <kunyu@...china.com>
Subject: [PATCH v2] kernel: resource: Remove unnecessary ‘0’ values from err

err is assigned first, so it does not need to initialize the assignment.
Modify __find_resource execution syntax to make it more in line with
commonly used styles.

Signed-off-by: Li kunyu <kunyu@...china.com>
---
 v2:
   Modify __find_resource Execution Syntax.

 kernel/resource.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/resource.c b/kernel/resource.c
index b1763b2fd7ef..ee79e8f4f422 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -656,13 +656,14 @@ static int reallocate_resource(struct resource *root, struct resource *old,
 			       resource_size_t newsize,
 			       struct resource_constraint *constraint)
 {
-	int err=0;
+	int err;
 	struct resource new = *old;
 	struct resource *conflict;
 
 	write_lock(&resource_lock);
 
-	if ((err = __find_resource(root, old, &new, newsize, constraint)))
+	err = __find_resource(root, old, &new, newsize, constraint);
+	if (err)
 		goto out;
 
 	if (resource_contains(&new, old)) {
-- 
2.18.2