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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>
This commit is contained in:
Russell King 2012-03-05 23:29:51 +00:00
parent 43a6955fa8
commit 81caaf2503
1 changed files with 1 additions and 0 deletions
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1
arch/arm/kernel/ecard.c
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@ -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);