linux-kernel - [PATCH] powerpc/fadump: Change to use DEFINE_SHOW

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Message-Id: <20181105150119.6452-1-tiny.windzz@gmail.com>
Date:   Mon,  5 Nov 2018 10:01:19 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
        hbathini@...ux.ibm.com, mahesh@...ux.vnet.ibm.com,
        david@...son.dropbear.id.au, msuchanek@...e.de
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] powerpc/fadump: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 arch/powerpc/kernel/fadump.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index a711d22339ea..2df5e04b5afc 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -1531,17 +1531,7 @@ static struct kobj_attribute fadump_register_attr = __ATTR(fadump_registered,
 						0644, fadump_register_show,
 						fadump_register_store);
 
-static int fadump_region_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, fadump_region_show, inode->i_private);
-}
-
-static const struct file_operations fadump_region_fops = {
-	.open    = fadump_region_open,
-	.read    = seq_read,
-	.llseek  = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(fadump_region);
 
 static void fadump_init_files(void)
 {
-- 
2.17.0