Commit 5f6354ea authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

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: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e06689bf

fs/proc/generic.c

+2 −4
Original line number Diff line number Diff line
@@ -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;