fs/proc/vmcore.c: simpler /proc/vmcore cleanup

Web:        https://git.kernel.org/torvalds/c/593bc695a1102a540f1613c651e73693b17a7343
Commit:     593bc695a1102a540f1613c651e73693b17a7343
Parent:     ac7f1061c2c11bb8936b1b6a94cdb48de732f7a4
Refname:    refs/heads/master
Author:     Alexey Dobriyan <[email protected]>
AuthorDate: Tue Feb 6 15:37:02 2018 -0800
Committer:  Linus Torvalds <[email protected]>
CommitDate: Tue Feb 6 18:32:43 2018 -0800

    fs/proc/vmcore.c: simpler /proc/vmcore cleanup
    
    Iterators aren't necessary as you can just grab the first entry and delete
    it until no entries left.
    
    Link: http://lkml.kernel.org/r/20171121191121.GA20757@avx2
    Signed-off-by: Alexey Dobriyan <[email protected]>
    Cc: Mahesh Salgaonkar <[email protected]>
    Signed-off-by: Andrew Morton <[email protected]>
    Signed-off-by: Linus Torvalds <[email protected]>
---
 fs/proc/vmcore.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 885d445afa0d..a45f0af22a60 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -1178,18 +1178,16 @@ fs_initcall(vmcore_init);
 /* Cleanup function for vmcore module. */
 void vmcore_cleanup(void)
 {
-	struct list_head *pos, *next;