diff options
| author |   Andreas Schwab <schwab@linux-m68k.org> | 2012-11-17 22:27:04 +0100 |
|---|---|---|
| committer |   Geert Uytterhoeven <geert@linux-m68k.org> | 2012-11-18 10:32:16 +0100 |
| commit | 34fa78b59c52d1db3513db4c1a999db26b2e9ac2 (patch) | |
| tree | 5ec3490852c70fada6e8cd8fdadef7f6980ad99a /arch | |
| parent | Linux 3.7-rc6 (diff) | |
| download | linux-dev-34fa78b59c52d1db3513db4c1a999db26b2e9ac2.tar.xz linux-dev-34fa78b59c52d1db3513db4c1a999db26b2e9ac2.zip | |
m68k: fix sigset_t accessor functions
The sigaddset/sigdelset/sigismember functions that are implemented with
bitfield insn cannot allow the sigset argument to be placed in a data
register since the sigset is wider than 32 bits. Remove the "d"
constraint from the asm statements.
The effect of the bug is that sending RT signals does not work, the signal
number is truncated modulo 32.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/m68k/include/asm/signal.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h index 67e489d8d1bd..2df26b57c26a 100644 --- a/arch/m68k/include/asm/signal.h +++ b/arch/m68k/include/asm/signal.h @@ -41,7 +41,7 @@ struct k_sigaction { static inline void sigaddset(sigset_t *set, int _sig) { asm ("bfset %0{%1,#1}" - : "+od" (*set) + : "+o" (*set) : "id" ((_sig - 1) ^ 31) : "cc"); } @@ -49,7 +49,7 @@ static inline void sigaddset(sigset_t *set, int _sig) static inline void sigdelset(sigset_t *set, int _sig) { asm ("bfclr %0{%1,#1}" - : "+od" (*set) + : "+o" (*set) : "id" ((_sig - 1) ^ 31) : "cc"); } @@ -65,7 +65,7 @@ static inline int __gen_sigismember(sigset_t *set, int _sig) int ret; asm ("bfextu %1{%2,#1},%0" : "=d" (ret) - : "od" (*set), "id" ((_sig-1) ^ 31) + : "o" (*set), "id" ((_sig-1) ^ 31) : "cc"); return ret; } |