From 4bbacd51a683e45c13f7d6df6f85cb7391590311 Mon Sep 17 00:00:00 2001
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Date: Thu, 25 Jun 2015 15:00:29 -0700
Subject: [PATCH] zram: cut trailing newline in algorithm name

Supplied sysfs values sometimes contain new-line symbols (echo vs.  echo
-n), which we also copy as a compression algorithm name.  it works fine
when we lookup for compression algorithm, because we use sysfs_streq()
which takes care of new line symbols.  however, it doesn't look nice when
we print compression algorithm name if zcomp_create() failed:

 zram: Cannot initialise LXZ
            compressing backend

cut trailing new-line, so the error string will look like

  zram: Cannot initialise LXZ compressing backend

we also now can replace sysfs_streq() in zcomp_available_show() with
strcmp().

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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