From: Yang Yingliang <yangyingliang@huawei.com>
Date: Mon, 4 Jul 2022 12:03:37 +0000 (+0800)
Subject: module: Use vzalloc() instead of vmalloc()/memset(0)
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2b9401e90d369b5fbb8a62e9034ad97297594475;p=linux.git

module: Use vzalloc() instead of vmalloc()/memset(0)

Use vzalloc() instead of vmalloc() and memset(0) to simpify the code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Aaron Tomlin <atomlin@redhat.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---

diff --git a/kernel/module/main.c b/kernel/module/main.c
index b2de00e09abcf..d34227ca3932c 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -2138,7 +2138,7 @@ static int move_module(struct module *mod, struct load_info *info)
 
 #ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
 	/* Do the allocs. */
-	ptr = vmalloc(mod->data_layout.size);
+	ptr = vzalloc(mod->data_layout.size);
 	/*
 	 * The pointer to this block is stored in the module structure
 	 * which is inside the block. Just mark it as not being a
@@ -2151,7 +2151,6 @@ static int move_module(struct module *mod, struct load_info *info)
 		return -ENOMEM;
 	}
 
-	memset(ptr, 0, mod->data_layout.size);
 	mod->data_layout.base = ptr;
 #endif
 	/* Transfer each section which specifies SHF_ALLOC */