ARM: ecard: ensure fake vma vm_flags is setup

Our TLB ops want to check the vma vm_flags to find out whether the
mapping is executable.  However, we leave this uninitialized in
ecard.c.  Initialize it with an appropriate value.

Reported-by: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 4dd0edab6a65..1651d4950744 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -242,6 +242,7 @@ static void ecard_init_pgtables(struct mm_struct *mm)
 
         memcpy(dst_pgd, src_pgd, sizeof(pgd_t) * (EASI_SIZE / PGDIR_SIZE));
 
+        vma.vm_flags = VM_EXEC;
         vma.vm_mm = mm;
 
         flush_tlb_range(&vma, IO_START, IO_START + IO_SIZE);