fs/binfmt_elf.c: use list_for_each_entry()

[adobriyan@gmail.com: fixup compilation]
Link: http://lkml.kernel.org/r/20190205064334.GA2152@avx2
Link: http://lkml.kernel.org/r/20190204202800.GB27482@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index fd4b618c412eb70b4936c3459bfc80057623a7c0..51ff26b5152829d7769b4fa057fd7edbf1268874 100644 (file)
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2030,7 +2030,6 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
                          struct elf_note_info *info,
                          const kernel_siginfo_t *siginfo, struct pt_regs *regs)
 {
-       struct list_head *t;
        struct core_thread *ct;
        struct elf_thread_status *ets;
 
@@ -2047,10 +2046,9 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
                list_add(&ets->list, &info->thread_list);
        }
 
-       list_for_each(t, &info->thread_list) {
+       list_for_each_entry(ets, &info->thread_list, list) {
                int sz;
 
-               ets = list_entry(t, struct elf_thread_status, list);
                sz = elf_dump_thread_status(siginfo->si_signo, ets);
                info->thread_status_size += sz;
        }
@@ -2114,20 +2112,17 @@ static size_t get_note_info_size(struct elf_note_info *info)
 static int write_note_info(struct elf_note_info *info,
                           struct coredump_params *cprm)
 {
+       struct elf_thread_status *ets;
        int i;
-       struct list_head *t;
 
        for (i = 0; i < info->numnote; i++)
                if (!writenote(info->notes + i, cprm))
                        return 0;
 
        /* write out the thread status notes section */
-       list_for_each(t, &info->thread_list) {
-               struct elf_thread_status *tmp =
-                               list_entry(t, struct elf_thread_status, list);
-
-               for (i = 0; i < tmp->num_notes; i++)
-                       if (!writenote(&tmp->notes[i], cprm))
+       list_for_each_entry(ets, &info->thread_list, list) {
+               for (i = 0; i < ets->num_notes; i++)
+                       if (!writenote(&ets->notes[i], cprm))
                                return 0;
        }