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authorAlexey Dobriyan <adobriyan@gmail.com>2019-12-04 16:50:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-12-04 19:44:11 -0800
commit5f6354eaa517ce5c1e7b7feb224a0324601f796e (patch)
tree883c1b1e389d93ec63d7d035be00fb3c3c16860a /fs/proc
parente06689bf57017ac022ccf0f2a5071f760821ce0f (diff)
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@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>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/generic.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index d4f353187d67..074e9585c699 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -163,7 +163,6 @@ static int __xlate_proc_name(const char *name, struct proc_dir_entry **ret,
{
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 *name, struct proc_dir_entry **ret,
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;