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

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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 <adobriyan@gmail.com>
Cc: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2018-02-06 15:37:02 -08:00 committed by Linus Torvalds
parent ac7f1061c2
commit 593bc695a1
1 changed files with 2 additions and 4 deletions
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6
fs/proc/vmcore.c
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@ -1178,18 +1178,16 @@ fs_initcall(vmcore_init);
/* Cleanup function for vmcore module. */
void vmcore_cleanup(void)
{
struct list_head *pos, *next;
if (proc_vmcore) {
proc_remove(proc_vmcore);
proc_vmcore = NULL;
}
/* clear the vmcore list. */
list_for_each_safe(pos, next, &vmcore_list) {
while (!list_empty(&vmcore_list)) {
struct vmcore *m;
m = list_entry(pos, struct vmcore, list);
m = list_first_entry(&vmcore_list, struct vmcore, list);
list_del(&m->list);
kfree(m);
}