linux-kernel - [PATCH] bcachefs: Simplify code in bch2_dev

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Message-Id: <20241012075902.1320946-1-youling.tang@linux.dev>
Date: Sat, 12 Oct 2024 15:59:02 +0800
From: Youling Tang <youling.tang@...ux.dev>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: linux-bcachefs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	youling.tang@...ux.dev,
	Youling Tang <tangyouling@...inos.cn>
Subject: [PATCH] bcachefs: Simplify code in bch2_dev_alloc()

From: Youling Tang <tangyouling@...inos.cn>

- Remove unnecessary variable 'ret'.
- Remove unnecessary bch2_dev_free() operations.

Signed-off-by: Youling Tang <tangyouling@...inos.cn>
---
 fs/bcachefs/super.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index 843431e58cf5..a0e01443008b 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -1352,23 +1352,20 @@ static int bch2_dev_alloc(struct bch_fs *c, unsigned dev_idx)
 {
 	struct bch_member member = bch2_sb_member_get(c->disk_sb.sb, dev_idx);
 	struct bch_dev *ca = NULL;
-	int ret = 0;
 
-	if (bch2_fs_init_fault("dev_alloc"))
-		goto err;
+	if (bch2_fs_init_fault("dev_alloc")) {
+		bch_err(c, "dev_alloc fault injected");
+		return -EFAULT;
+	}
 
 	ca = __bch2_dev_alloc(c, &member);
 	if (!ca)
-		goto err;
+		return -BCH_ERR_ENOMEM_dev_alloc;
 
 	ca->fs = c;
 
 	bch2_dev_attach(c, ca, dev_idx);
-	return ret;
-err:
-	if (ca)
-		bch2_dev_free(ca);
-	return -BCH_ERR_ENOMEM_dev_alloc;
+	return 0;
 }
 
 static int __bch2_dev_attach_bdev(struct bch_dev *ca, struct bch_sb_handle *sb)
-- 
2.34.1