Unverified Commit cef95471 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!2269 etmem: Fixed an issue where the module reference counting is incorrect 

Merge Pull Request from: @ci-robot 
 
PR sync from: liubo <liubo254@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IGZYKHQURLPZANFK7OW3XUTPYOMBZELW/ 
 
https://gitee.com/openeuler/kernel/issues/I839LV 
 
Link:https://gitee.com/openeuler/kernel/pulls/2269

 

Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents edca7a0b 02ca7219

fs/proc/task_mmu.c

+16 −6
Original line number Diff line number Diff line
@@ -1911,15 +1911,20 @@ static int mm_idle_open(struct inode *inode, struct file *file) 
	}



	mm = proc_mem_open(inode, PTRACE_MODE_READ);

	if (IS_ERR(mm))

	if (IS_ERR(mm)) {

		module_put(module);

		return PTR_ERR(mm);

	}



	file->private_data = mm;



	if (proc_page_scan_operations.open)

		return proc_page_scan_operations.open(inode, file);

		ret = proc_page_scan_operations.open(inode, file);



	return 0;

	if (ret != 0)

		module_put(module);



	return ret;

}



static int mm_idle_release(struct inode *inode, struct file *file)
@@ -2004,15 +2009,20 @@ static int mm_swap_open(struct inode *inode, struct file *file) 
	}



	mm = proc_mem_open(inode, PTRACE_MODE_READ);

	if (IS_ERR(mm))

	if (IS_ERR(mm)) {

		module_put(module);

		return PTR_ERR(mm);

	}



	file->private_data = mm;



	if (proc_swap_pages_operations.open)

		return proc_swap_pages_operations.open(inode, file);

		ret = proc_swap_pages_operations.open(inode, file);



	return 0;

	if (ret != 0)

		module_put(module);



	return ret;

}



static int mm_swap_release(struct inode *inode, struct file *file)