[PATCH -next] module: Use vzalloc() instead of vmalloc()/memset(0)

From: Yang Yingliang
Date: Mon Jul 04 2022 - 07:53:59 EST


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

Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
kernel/module/main.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/module/main.c b/kernel/module/main.c
index fed58d30725d..02b67abc448f 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 */
--
2.25.1