diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-11-29 20:56:07 -0800 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-11-29 20:56:07 -0800 |
| commit | 606c0dafbe88102d64c1253caed8a2c36987070f (patch) | |
| tree | 23ce7b30341e71c6da8e0183d27e29167e833e26 /arch/m32r/kernel/sys_m32r.c | |
| parent | 6ab16d249513a50bef3f1b275cea6aa8d3f51832 (diff) | |
| parent | d2ef5ebb4c4fe141a82252d4db8d8521e6765c5a (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/m32r/kernel/sys_m32r.c')
| -rw-r--r-- | arch/m32r/kernel/sys_m32r.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c index e0500e12c5fb..fe55b28d3725 100644 --- a/arch/m32r/kernel/sys_m32r.c +++ b/arch/m32r/kernel/sys_m32r.c @@ -41,7 +41,8 @@ asmlinkage int sys_tas(int *addr) return -EFAULT; local_irq_save(flags); oldval = *addr; - *addr = 1; + if (!oldval) + *addr = 1; local_irq_restore(flags); return oldval; } @@ -59,7 +60,8 @@ asmlinkage int sys_tas(int *addr) _raw_spin_lock(&tas_lock); oldval = *addr; - *addr = 1; + if (!oldval) + *addr = 1; _raw_spin_unlock(&tas_lock); return oldval; |