Commit 81caaf25 authored Mar 05, 2012 by Russell King

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>

parent 43a6955f

arch/arm/kernel/ecard.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);