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drivers/block/mtip32xx: remove the null check for debugfs_remove_recursive
author
zhong jiang
<zhongjiang@huawei.com>
Wed, 8 Aug 2018 14:58:33 +0000
(22:58 +0800)
committer
Jens Axboe
<axboe@kernel.dk>
Wed, 8 Aug 2018 15:17:18 +0000
(09:17 -0600)
debugfs_remove_recursive has taken null pointer into account. So it is
safe to drop the null check before calling the function.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/mtip32xx/mtip32xx.c
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diff --git
a/drivers/block/mtip32xx/mtip32xx.c
b/drivers/block/mtip32xx/mtip32xx.c
index
c73626d
..
db253cd
100644
(file)
--- a/
drivers/block/mtip32xx/mtip32xx.c
+++ b/
drivers/block/mtip32xx/mtip32xx.c
@@
-2575,8
+2575,7
@@
static int mtip_hw_debugfs_init(struct driver_data *dd)
static void mtip_hw_debugfs_exit(struct driver_data *dd)
{
- if (dd->dfs_node)
- debugfs_remove_recursive(dd->dfs_node);
+ debugfs_remove_recursive(dd->dfs_node);
}
/*