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authorDavid S. Miller <davem@davemloft.net>2008-07-18 11:39:39 +0200
committerDavid S. Miller <davem@davemloft.net>2008-07-18 11:39:39 +0200
commit49997d75152b3d23c53b0fa730599f2f74c92c65 (patch)
tree46e93126170d02cfec9505172e545732c1b69656 /drivers/scsi/sr.c
parentpkt_sched: Make default qdisc nonshared-multiqueue safe. (diff)
parentMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz
linux-49997d75152b3d23c53b0fa730599f2f74c92c65.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
Diffstat (limited to 'drivers/scsi/sr.c')
-rw-r--r--drivers/scsi/sr.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index c82df8bd4d89..27f5bfd1def3 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -673,24 +673,20 @@ fail:
static void get_sectorsize(struct scsi_cd *cd)
{
unsigned char cmd[10];
- unsigned char *buffer;
+ unsigned char buffer[8];
int the_result, retries = 3;
int sector_size;
struct request_queue *queue;
- buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
- if (!buffer)
- goto Enomem;
-
do {
cmd[0] = READ_CAPACITY;
memset((void *) &cmd[1], 0, 9);
- memset(buffer, 0, 8);
+ memset(buffer, 0, sizeof(buffer));
/* Do the command and wait.. */
the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE,
- buffer, 8, NULL, SR_TIMEOUT,
- MAX_RETRIES);
+ buffer, sizeof(buffer), NULL,
+ SR_TIMEOUT, MAX_RETRIES);
retries--;
@@ -745,14 +741,8 @@ static void get_sectorsize(struct scsi_cd *cd)
queue = cd->device->request_queue;
blk_queue_hardsect_size(queue, sector_size);
-out:
- kfree(buffer);
- return;
-Enomem:
- cd->capacity = 0x1fffff;
- cd->device->sector_size = 2048; /* A guess, just in case */
- goto out;
+ return;
}
static void get_capabilities(struct scsi_cd *cd)