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authorOleg Nesterov <oleg@redhat.com>2013-03-24 18:45:44 +0100
committerOleg Nesterov <oleg@redhat.com>2013-04-04 13:57:05 +0200
commit98763a1bb1515f8a8d7f1d9ae42604e19872364b (patch)
tree9ba213a12f30a94507a9bfdf68d8ef184f0ee056 /kernel/events
parent2edb7b5574d447354202ba365fb8ca6a1bac1d1c (diff)
downloadvexpress-lsk-98763a1bb1515f8a8d7f1d9ae42604e19872364b.tar.gz
uprobes: Kill the unnecesary filp != NULL check in __copy_insn()
__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@redhat.com> Acked-by: Anton Arapov <anton@redhat.com> Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/uprobes.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index ba6acfe7c0d..093866547fe 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -501,9 +501,6 @@ __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;
/*