aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/include/asm/checksum.h
diff options
context:
space:
mode:
authorBernd Schmidt <bernds_cb1@t-online.de>2009-01-07 23:14:39 +0800
committerBryan Wu <cooloney@kernel.org>2009-01-07 23:14:39 +0800
commitb13120d23bf4b066a36a9414514f992eb3907e4b (patch)
treebacb6eb61c652fd7cf69ad69abff472fc5a2215e /arch/blackfin/include/asm/checksum.h
parent7ad883a94df143dcef5d83fde424b2ec27833c71 (diff)
Blackfin arch: fix bug - crashes in tcp_v4_send_reset
Michael says that some bugs are crashes in tcp_v4_send_reset. There's a missing clobber of "CC" in our checksum assembly statement; fixing this makes the generated code look much saner. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include/asm/checksum.h')
-rw-r--r--arch/blackfin/include/asm/checksum.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/checksum.h b/arch/blackfin/include/asm/checksum.h
index 6f6af2b8e9e..f67289a0d8d 100644
--- a/arch/blackfin/include/asm/checksum.h
+++ b/arch/blackfin/include/asm/checksum.h
@@ -78,7 +78,8 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
"%0 = %0 + %4;\n\t"
"NOP;\n\t"
: "=d" (sum)
- : "d" (daddr), "d" (saddr), "d" ((ntohs(len)<<16)+proto*256), "d" (1), "0"(sum));
+ : "d" (daddr), "d" (saddr), "d" ((ntohs(len)<<16)+proto*256), "d" (1), "0"(sum)
+ : "CC");
return (sum);
}