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authorPhil Carmody <ext-phil.2.carmody@nokia.com>2011-07-14 14:07:13 +0200
committerJiri Kosina <jkosina@suse.cz>2011-07-21 14:10:00 +0200
commit497888cf69bf607ac1fe061a6437e0a670b0022f (patch)
treeac0897eff214f09c89d5f4fbc3c03ef9d010a83c /arch/parisc/math-emu/decode_exc.c
parentuwb: Fix misspelling of neighbourhood in comment (diff)
downloadlinux-497888cf69bf607ac1fe061a6437e0a670b0022f.tar.xz
linux-497888cf69bf607ac1fe061a6437e0a670b0022f.zip
treewide: fix potentially dangerous trailing ';' in #defined values/expressions
All these are instances of #define NAME value; or #define NAME(params_opt) value; These of course fail to build when used in contexts like if(foo $OP NAME) while(bar $OP NAME) and may silently generate the wrong code in contexts such as foo = NAME + 1; /* foo = value; + 1; */ bar = NAME - 1; /* bar = value; - 1; */ baz = NAME & quux; /* baz = value; & quux; */ Reported on comp.lang.c, Message-ID: <ab0d55fe-25e5-482b-811e-c475aa6065c3@c29g2000yqd.googlegroups.com> Initial analysis of the dangers provided by Keith Thompson in that thread. There are many more instances of more complicated macros having unnecessary trailing semicolons, but this pile seems to be all of the cases of simple values suffering from the problem. (Thus things that are likely to be found in one of the contexts above, more complicated ones aren't.) Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/parisc/math-emu/decode_exc.c')
-rw-r--r--arch/parisc/math-emu/decode_exc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/parisc/math-emu/decode_exc.c b/arch/parisc/math-emu/decode_exc.c
index 27a7492ddb0d..04e550e76ae8 100644
--- a/arch/parisc/math-emu/decode_exc.c
+++ b/arch/parisc/math-emu/decode_exc.c
@@ -56,7 +56,7 @@
/* General definitions */
#define DOESTRAP 1
#define NOTRAP 0
-#define SIGNALCODE(signal, code) ((signal) << 24 | (code));
+#define SIGNALCODE(signal, code) ((signal) << 24 | (code))
#define copropbit 1<<31-2 /* bit position 2 */
#define opclass 9 /* bits 21 & 22 */
#define fmt 11 /* bits 19 & 20 */