sysctl: remove redundant ret assignment

Subsequent if judgments will assign new values to ret, so the statement
here should be deleted

The clang_analyzer complains as follows:

  fs/proc/proc_sysctl.c:
  Value stored to 'ret' is never read

Link: https://lkml.kernel.org/r/20211230063622.586360-1-luo.penghao@zte.com.cn
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Reported-by: Zeal Robot <zealci@zte.com.cn>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 4f6168e..389e1e4 100644 (file)
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1053,7 +1053,6 @@ static int sysctl_follow_link(struct ctl_table_header **phead,
        struct ctl_dir *dir;
        int ret;
 
-       ret = 0;
        spin_lock(&sysctl_lock);
        root = (*pentry)->data;
        set = lookup_header_set(root);