The patch titled
Subject: fs/proc/generic.c: delete useless "len" variable
has been added to the -mm tree. Its filename is
proc-delete-useless-len-variable.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/proc-delete-useless-len-variable.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/proc-delete-useless-len-variable.patch
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: fs/proc/generic.c: delete useless "len" variable
Pointer to next '/' encodes length of path element and next start position.
Subtraction and increment are redundant.
Link: http://lkml.kernel.org/r/20191004234521.GA30246@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/generic.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/fs/proc/generic.c~proc-delete-useless-len-variable
+++ a/fs/proc/generic.c
@@ -163,7 +163,6 @@ static int __xlate_proc_name(const char
{
const char *cp = name, *next;
struct proc_dir_entry *de;
- unsigned int len;
de = *ret;
if (!de)
@@ -174,13 +173,12 @@ static int __xlate_proc_name(const char
if (!next)
break;
- len = next - cp;
- de = pde_subdir_find(de, cp, len);
+ de = pde_subdir_find(de, cp, next - cp);
if (!de) {
WARN(1, "name '%s'\n", name);
return -ENOENT;
}
- cp += len + 1;
+ cp = next + 1;
}
*residual = cp;
*ret = de;
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
ramfs-support-o_tmpfile.patch
proc-change-nlink-under-proc_subdir_lock.patch
proc-delete-useless-len-variable.patch
proc-shuffle-struct-pde_opener.patch
elf-delete-unused-interp_map_addr-argument.patch
elf-extract-elf_read-function.patch
