ide: ide-tape.c sparse annotations and unaligned access removal
authorHarvey Harrison <harvey.harrison@gmail.com>
Thu, 24 Jul 2008 20:53:33 +0000 (22:53 +0200)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Thu, 24 Jul 2008 20:53:33 +0000 (22:53 +0200)
If this is actually unaligned the access of speed/max_speed above
is already broken and needs a get_unaligned.  Otherwise it is
aligned and they can be removed.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Borislav Petkov <petkovbb@googlemail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
drivers/ide/ide-tape.c

index 789f3428f07210295b76cd32bf74c97f08b84011..82c2afe4d28a3a081a30fd5755de01fb17fc2e44 100644 (file)
@@ -655,10 +655,10 @@ static void ide_tape_callback(ide_drive_t *drive)
                        uptodate = 0;
                } else {
                        debug_log(DBG_SENSE, "Block Location - %u\n",
-                                       be32_to_cpu(*(u32 *)&readpos[4]));
+                                       be32_to_cpup((__be32 *)&readpos[4]));
 
                        tape->partition = readpos[1];
-                       tape->first_frame = be32_to_cpu(*(u32 *)&readpos[4]);
+                       tape->first_frame = be32_to_cpup((__be32 *)&readpos[4]);
                        set_bit(IDE_AFLAG_ADDRESS_VALID, &drive->atapi_flags);
                }
        }
@@ -2381,23 +2381,23 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive)
        caps = pc.buf + 4 + pc.buf[3];
 
        /* convert to host order and save for later use */
-       speed = be16_to_cpu(*(u16 *)&caps[14]);
-       max_speed = be16_to_cpu(*(u16 *)&caps[8]);
+       speed = be16_to_cpup((__be16 *)&caps[14]);
+       max_speed = be16_to_cpup((__be16 *)&caps[8]);
 
-       put_unaligned(max_speed, (u16 *)&caps[8]);
-       put_unaligned(be16_to_cpu(*(u16 *)&caps[12]), (u16 *)&caps[12]);
-       put_unaligned(speed, (u16 *)&caps[14]);
-       put_unaligned(be16_to_cpu(*(u16 *)&caps[16]), (u16 *)&caps[16]);
+       *(u16 *)&caps[8] = max_speed;
+       *(u16 *)&caps[12] = be16_to_cpup((__be16 *)&caps[12]);
+       *(u16 *)&caps[14] = speed;
+       *(u16 *)&caps[16] = be16_to_cpup((__be16 *)&caps[16]);
 
        if (!speed) {
                printk(KERN_INFO "ide-tape: %s: invalid tape speed "
                                "(assuming 650KB/sec)\n", drive->name);
-               put_unaligned(650, (u16 *)&caps[14]);
+               *(u16 *)&caps[14] = 650;
        }
        if (!max_speed) {
                printk(KERN_INFO "ide-tape: %s: invalid max_speed "
                                "(assuming 650KB/sec)\n", drive->name);
-               put_unaligned(650, (u16 *)&caps[8]);
+               *(u16 *)&caps[8] = 650;
        }
 
        memcpy(&tape->caps, caps, 20);