This is a note to let you know that I've just added the patch titled
libata: Use integer return value for atapi_command_packet_set
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
libata-use-integer-return-value-for-atapi_command_packet_set.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d8668fcb0b257d9fdcfbe5c172a99b8d85e1cd82 Mon Sep 17 00:00:00 2001
From: Shan Hai <shan.hai@xxxxxxxxxxxxx>
Date: Mon, 18 Mar 2013 10:30:43 +0800
Subject: libata: Use integer return value for atapi_command_packet_set
From: Shan Hai <shan.hai@xxxxxxxxxxxxx>
commit d8668fcb0b257d9fdcfbe5c172a99b8d85e1cd82 upstream.
The function returns type of ATAPI drives so it should return integer value.
The commit 4dce8ba94c7 (libata: Use 'bool' return value for ata_id_XXX) since
v2.6.39 changed the type of return value from int to bool, the change would
cause all of the ATAPI class drives to be treated as TYPE_TAPE and the
max_sectors of the drives to be set to 65535 because of the commit
f8d8e5799b7(libata: increase 128 KB / cmd limit for ATAPI tape drives), for the
function would return true for all ATAPI class drives and the TYPE_TAPE is
defined as 0x01.
Signed-off-by: Shan Hai <shan.hai@xxxxxxxxxxxxx>
Signed-off-by: Jeff Garzik <jgarzik@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/ata.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -937,7 +937,7 @@ static inline int atapi_cdb_len(const u1
}
}
-static inline bool atapi_command_packet_set(const u16 *dev_id)
+static inline int atapi_command_packet_set(const u16 *dev_id)
{
return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f;
}
Patches currently in stable-queue which might be from shan.hai@xxxxxxxxxxxxx are
queue-3.4/libata-set-max-sector-to-65535-for-slimtype-dvd-a-ds8a8sh-drive.patch
queue-3.4/libata-use-integer-return-value-for-atapi_command_packet_set.patch
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