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fs/kernfs: remove the double check of dentry->inode 

In both kernfs_node_from_dentry() and in
kernfs_dentry_node(), we will check the dentry->inode
is NULL or not, which is superfluous.

So remove the check in kernfs_node_from_dentry().

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Hui Su <sh_def@163.com>
Link: https://lore.kernel.org/r/20201113132143.GA119541@rlk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hui Su 2020-11-13 21:21:43 +08:00 committed by Greg Kroah-Hartman
parent 784b2c48ac
commit 0288e7fa35
1 changed files with 1 additions and 2 deletions
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3
fs/kernfs/dir.c
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@ -604,8 +604,7 @@ const struct dentry_operations kernfs_dops = {
*/ */
struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry) struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry)
{ {
if (dentry->d_sb->s_op == &kernfs_sops && if (dentry->d_sb->s_op == &kernfs_sops)
!d_really_is_negative(dentry))
return kernfs_dentry_node(dentry); return kernfs_dentry_node(dentry);
return NULL; return NULL;
} }