diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2012-08-22 12:54:55 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-08-22 12:55:43 +0100 |
| commit | 2361f738b67ab7f1152187fa3d321a09b7c95c09 (patch) | |
| tree | eddf2b958215b668b9b871b6b59bc76c67a47751 /arch/m68k/kernel/sys_m68k.c | |
| parent | 4800399e335658aae632f587f6759a860f584804 (diff) | |
| parent | d9875690d9b89a866022ff49e3fcea892345ad92 (diff) | |
Merge tag 'v3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Having missed the merge window, update to 3.6-rc2 to avoid conflicts with
new patches.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch/m68k/kernel/sys_m68k.c')
| -rw-r--r-- | arch/m68k/kernel/sys_m68k.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 8623f8dc16f..9a5932ec368 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -479,9 +479,13 @@ sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5, goto bad_access; } - mem_value = *mem; + /* + * No need to check for EFAULT; we know that the page is + * present and writable. + */ + __get_user(mem_value, mem); if (mem_value == oldval) - *mem = newval; + __put_user(newval, mem); pte_unmap_unlock(pte, ptl); up_read(&mm->mmap_sem); |