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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-04-28 20:47:59 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-04-28 20:47:59 +0000 |
| commit | 67cd24a89738ba03f5e8d9a4073c9a923d882bf6 (patch) | |
| tree | 252dd1380adc65691a7b784494dd055fb5cf9adf /hw/scsi-disk.c | |
| parent | 7faa239ca39b986a64ca99056311b32bc6cff55f (diff) | |
| download | qemu-67cd24a89738ba03f5e8d9a4073c9a923d882bf6.tar.gz | |
Buffer length fixes, by Wang Cheng Yeh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2736 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/scsi-disk.c')
| -rw-r--r-- | hw/scsi-disk.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index c6280fd559..92f745726f 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -345,7 +345,7 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun) DPRINTF("Request Sense (len %d)\n", len); if (len < 4) goto fail; - memset(buf, 0, 4); + memset(outbuf, 0, 4); outbuf[0] = 0xf0; outbuf[1] = 0; outbuf[2] = s->sense; @@ -371,7 +371,7 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun) Some later commands are also implemented. */ outbuf[2] = 3; outbuf[3] = 2; /* Format 2 */ - outbuf[4] = 32; + outbuf[4] = 31; /* Sync data transfer and TCQ. */ outbuf[7] = 0x10 | (s->tcq ? 0x02 : 0); r->buf_len = 36; @@ -404,10 +404,11 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun) p += 4; if ((page == 8 || page == 0x3f)) { /* Caching page. */ + memset(p,0,20); p[0] = 8; p[1] = 0x12; p[2] = 4; /* WCE */ - p += 19; + p += 20; } if ((page == 0x3f || page == 0x2a) && (bdrv_get_type_hint(s->bdrv) == BDRV_TYPE_CDROM)) { @@ -437,7 +438,7 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun) p[19] = (16 * 176) & 0xff; p[20] = (16 * 176) >> 8; // 16x write speed current p[21] = (16 * 176) & 0xff; - p += 21; + p += 22; } r->buf_len = p - outbuf; outbuf[0] = r->buf_len - 4; |