Re: [PATCH] cifs: remove redundant duplicated assignment of pointer 'node'

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Reviewed-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>


----- Original Message -----
From: "Colin King" <colin.king@xxxxxxxxxxxxx>
To: "Steve French" <sfrench@xxxxxxxxx>, linux-cifs@xxxxxxxxxxxxxxx, samba-technical@xxxxxxxxxxxxxxx
Cc: kernel-janitors@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
Sent: Wednesday, 17 January, 2018 8:52:39 PM
Subject: [PATCH] cifs: remove redundant duplicated assignment of pointer 'node'

From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Node is assigned twice to rb_first(root), first during declaration
time and second after a taking a spin lock, so we have a duplicated
assignment.  Remove the first assignment because it is redundant and
also not protected by the spin lock.

Cleans up clang warning:
fs/cifs/connect.c:4435:18: warning: Value stored to 'node' during
its initialization is never read

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
 fs/cifs/connect.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 0efd22e75ac7..63c5d85fe25e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -4432,7 +4432,7 @@ cifs_prune_tlinks(struct work_struct *work)
 	struct cifs_sb_info *cifs_sb = container_of(work, struct cifs_sb_info,
 						    prune_tlinks.work);
 	struct rb_root *root = &cifs_sb->tlink_tree;
-	struct rb_node *node = rb_first(root);
+	struct rb_node *node;
 	struct rb_node *tmp;
 	struct tcon_link *tlink;
 
-- 
2.15.1

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