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| author | Joe Eykholt <jeykholt@cisco.com> | 2010-04-09 14:22:39 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-04-11 14:02:34 -0500 |
| commit | 0b2f74a47f2b10bd4c70324820a93c070b3960a5 (patch) | |
| tree | 406dc45508b5b23fd0212e7891f577e42e8d159e /include/scsi/libfc.h | |
| parent | 3b719d01617288f4c11307fcb933997d7ca895c3 (diff) | |
| download | linux-stable-0b2f74a47f2b10bd4c70324820a93c070b3960a5.tar.gz linux-stable-0b2f74a47f2b10bd4c70324820a93c070b3960a5.tar.bz2 linux-stable-0b2f74a47f2b10bd4c70324820a93c070b3960a5.zip | |
[SCSI] libfc: fix hton24 macro to take expressions as args
hton24(p + 3, value) would fail to compile because
p + 3[0] is not a valid expression.
Went ahead and converted hton24 and ntoh24 to inline
functions, which is better because the parameters
are evalutated only once.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'include/scsi/libfc.h')
| -rw-r--r-- | include/scsi/libfc.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index 8d0d1b2d8258..a26bb50c0c8b 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -47,13 +47,18 @@ #define ntohll(x) be64_to_cpu(x) #define htonll(x) cpu_to_be64(x) -#define ntoh24(p) (((p)[0] << 16) | ((p)[1] << 8) | ((p)[2])) -#define hton24(p, v) do { \ - p[0] = (((v) >> 16) & 0xFF); \ - p[1] = (((v) >> 8) & 0xFF); \ - p[2] = ((v) & 0xFF); \ - } while (0) +static inline u32 ntoh24(const u8 *p) +{ + return (p[0] << 16) | (p[1] << 8) | p[2]; +} + +static inline void hton24(u8 *p, u32 v) +{ + p[0] = (v >> 16) & 0xff; + p[1] = (v >> 8) & 0xff; + p[2] = v & 0xff; +} /** * enum fc_lport_state - Local port states |