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Subject[PATCH 2/3] sr: Switch the sector size back to 2048 if sr_read_sector() changed it.
Date
sr_read_sector() is hardly used since v2.3.16. Its only purpose is to
check if it is a XA medium via sr_is_xa(). This check is only enabled if
the module parameter `xa_test' is enabled.

Change the sector size back to 2048 if it was changed. With this change,
there is no lazy sector size changing left.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
drivers/scsi/sr_ioctl.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index ffcf902da3901..5703f8400b73c 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -549,6 +549,8 @@ static int sr_read_sector(Scsi_CD *cd, int lba, int blksize, unsigned char *dest
cgc.timeout = IOCTL_TIMEOUT;
rc = sr_do_ioctl(cd, &cgc);

+ if (blksize != CD_FRAMESIZE)
+ rc |= sr_set_blocklength(cd, CD_FRAMESIZE);
return rc;
}

--
2.29.2
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