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authorAndreas Schwab <schwab@linux-m68k.org>2012-11-17 22:27:04 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-26 11:37:46 -0800
commit999d6a5194c9707b081869f40306ac5e1727edf4 (patch)
tree557544c2ca8474132d1added413d40a7f5beeeb1 /arch/m68k
parentdd361b498741bd9b23a2f2238cf1c6af6cd49b67 (diff)
m68k: fix sigset_t accessor functions
commit 34fa78b59c52d1db3513db4c1a999db26b2e9ac2 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/include/asm/signal.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h
index 60e88660169c..93fe83e7ffb5 100644
--- a/arch/m68k/include/asm/signal.h
+++ b/arch/m68k/include/asm/signal.h
@@ -156,7 +156,7 @@ typedef struct sigaltstack {
static inline void sigaddset(sigset_t *set, int _sig)
{
asm ("bfset %0{%1,#1}"
- : "+od" (*set)
+ : "+o" (*set)
: "id" ((_sig - 1) ^ 31)
: "cc");
}
@@ -164,7 +164,7 @@ 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");
}
@@ -180,7 +180,7 @@ 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;
}