[PATCH 3/5] uprobes: Kill the unnecesary filp != NULL check in__copy_insn()

[Oleg Nesterov]

__copy_insn(filp) can only be called after valid_vma() returns T,
vma->vm_file passed as "filp" can not be NULL.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
 kernel/events/uprobes.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 0a759c6..e5d479f 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -478,9 +478,6 @@ __copy_insn(struct address_space *mapping, struct file *filp, char *insn,
 {
 	struct page *page;
 
-	if (!filp)
-		return -EINVAL;
-
 	if (!mapping->a_ops->readpage)
 		return -EIO;
 	/*
-- 
1.5.5.1

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