diff options
| author | Bart Van Assche <[email protected]> | 2020-03-13 13:31:02 -0700 |
|---|---|---|
| committer | Martin K. Petersen <[email protected]> | 2020-03-16 22:08:36 -0400 |
| commit | 3cef59481a1f57762eee15b0ebcd344278353c65 (patch) | |
| tree | ab10842a9da7c26cf4a9e194cf5635ad4dd8bfe3 | |
| parent | 35b703dbfa156f40b6e702191e43a3766fa71244 (diff) | |
scsi: scsi_trace: Use get_unaligned_be24()
This makes the SCSI tracing code slightly easier to read.
Link: https://lore.kernel.org/r/[email protected]
Fixes: bf8162354233 ("[SCSI] add scsi trace core functions and put trace points")
Cc: Christoph Hellwig <[email protected]>
Cc: James E.J. Bottomley <[email protected]>
Cc: Martin K. Petersen <[email protected]>
Reported-by: Colin Ian King <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
| -rw-r--r-- | drivers/scsi/scsi_trace.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c index ac35c301c792..41a950075913 100644 --- a/drivers/scsi/scsi_trace.c +++ b/drivers/scsi/scsi_trace.c @@ -18,11 +18,9 @@ static const char * scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len) { const char *ret = trace_seq_buffer_ptr(p); - u32 lba = 0, txlen; + u32 lba, txlen; - lba |= ((cdb[1] & 0x1F) << 16); - lba |= (cdb[2] << 8); - lba |= cdb[3]; + lba = get_unaligned_be24(&cdb[1]) & 0x1fffff; /* * From SBC-2: a TRANSFER LENGTH field set to zero specifies that 256 * logical blocks shall be read (READ(6)) or written (WRITE(6)). |