[merged mm-stable] zram-remove-unreachable-kernel_read_file_from_path-return-check.patch removed from -mm tree

[merged mm-stable] zram-remove-unreachable-kernel_read_file_from_path-return-check.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: zram: remove unreachable kernel_read_file_from_path() return check
has been removed from the -mm tree.  Its filename was
     zram-remove-unreachable-kernel_read_file_from_path-return-check.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: zram: remove unreachable kernel_read_file_from_path() return check
Date: Tue, 1 Sep 2026 14:13:05 +0900

Sashiko reported that:
kernel_read_file_from_path() returns negative error for zero-sized
files, so we cannot have "sz == 0" return, remove it and use a
generic error message instead.

Link: https://lore.kernel.org/20260901051335.2202390-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Haoqin Huang <haoqinhuang7@gmail.com>
---

 drivers/block/zram/zram_drv.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/drivers/block/zram/zram_drv.c~zram-remove-unreachable-kernel_read_file_from_path-return-check
+++ a/drivers/block/zram/zram_drv.c
@@ -1722,11 +1722,6 @@ static int comp_params_store(struct zram
 			       dict_path, sz);
 			return sz;
 		}
-		if (sz == 0) {
-			pr_err("failed to load dictionary %s (empty file)\n",
-			       dict_path);
-			return -EINVAL;
-		}
 	}
 
 	zram->params[prio].dict_sz = sz;
_

Patches currently in -mm which might be from senozhatsky@chromium.org are

zram-convert-to-sg-list-zsmalloc-object-read-api.patch
zsmalloc-remove-old-object-read-api.patch