From 6e242a1ceeb1bcf55ffefa84d3079f711fe8a667 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 31 Mar 2015 12:35:13 -0400 Subject: [PATCH] nommu: use __vfs_read() ... instead of open-coding the call of ->read() Signed-off-by: Al Viro --- mm/nommu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/nommu.c b/mm/nommu.c index 3fba2dc97c44..e544508e2a4b 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1016,7 +1016,7 @@ static int validate_mmap_request(struct file *file, * device */ if (!file->f_op->get_unmapped_area) capabilities &= ~NOMMU_MAP_DIRECT; - if (!file->f_op->read) + if (!(file->f_mode & FMODE_CAN_READ)) capabilities &= ~NOMMU_MAP_COPY; /* The file shall have been opened with read permission. */ @@ -1240,7 +1240,7 @@ static int do_mmap_private(struct vm_area_struct *vma, old_fs = get_fs(); set_fs(KERNEL_DS); - ret = vma->vm_file->f_op->read(vma->vm_file, base, len, &fpos); + ret = __vfs_read(vma->vm_file, base, len, &fpos); set_fs(old_fs); if (ret < 0) -- 2.20.1