diff options
| author | Thomas Gleixner <[email protected]> | 2017-12-14 12:27:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2017-12-22 20:13:01 +0100 |
| commit | c10e83f598d08046dd1ebc8360d4bb12d802d51b (patch) | |
| tree | b1b8d341aefdd1869b07c33193499eb9019c09db /kernel | |
| parent | 4831b779403a836158917d59a7ca880483c67378 (diff) | |
arch, mm: Allow arch_dup_mmap() to fail
In order to sanitize the LDT initialization on x86 arch_dup_mmap() must be
allowed to fail. Fix up all instances.
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Andy Lutomirsky <[email protected]>
Cc: Boris Ostrovsky <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: David Laight <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Greg KH <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 07cc743698d3..500ce64517d9 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -721,8 +721,7 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm, goto out; } /* a new mm has just been created */ - arch_dup_mmap(oldmm, mm); - retval = 0; + retval = arch_dup_mmap(oldmm, mm); out: up_write(&mm->mmap_sem); flush_tlb_mm(oldmm); |