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| author | Phil Carmody <ext-phil.2.carmody@nokia.com> | 2011-07-14 15:07:13 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-07-21 14:10:00 +0200 |
| commit | 497888cf69bf607ac1fe061a6437e0a670b0022f (patch) | |
| tree | ac0897eff214f09c89d5f4fbc3c03ef9d010a83c /include/scsi | |
| parent | 06b72d06d6b182bdaaaec686dbd8b602949521ee (diff) | |
| download | linux-497888cf69bf607ac1fe061a6437e0a670b0022f.tar.bz2 | |
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 'include/scsi')
| -rw-r--r-- | include/scsi/scsi.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 3668903e397b..8001ae4cd7ba 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -495,7 +495,7 @@ static inline int scsi_is_wlun(unsigned int lun) #define sense_class(sense) (((sense) >> 4) & 0x7) #define sense_error(sense) ((sense) & 0xf) -#define sense_valid(sense) ((sense) & 0x80); +#define sense_valid(sense) ((sense) & 0x80) /* * default timeouts |