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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-11 20:53:21 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-11 21:42:59 +0200 |
| commit | 1d18ef489509314506328b9e464dd47c24c1d68f (patch) | |
| tree | 0462ee876e127f9b86afa05e48cfc50d0163cbd4 /arch/x86/lib/usercopy_32.c | |
| parent | 3ee1afa308f2a38e5d1e2ad3752ad7abcf480da1 (diff) | |
| download | lwn-1d18ef489509314506328b9e464dd47c24c1d68f.tar.gz lwn-1d18ef489509314506328b9e464dd47c24c1d68f.zip | |
x86: some lock annotations for user copy paths, v3
- add annotation back to clear_user()
- change probe_kernel_address() to _inatomic*() method
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/lib/usercopy_32.c')
| -rw-r--r-- | arch/x86/lib/usercopy_32.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index 7393152a252e..fab5faba1d3e 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c @@ -148,6 +148,7 @@ do { \ unsigned long clear_user(void __user *to, unsigned long n) { + might_fault(); if (access_ok(VERIFY_WRITE, to, n)) __do_clear_user(to, n); return n; |