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-rw-r--r--drivers/scsi/scsicam.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c
index b78354fc4b17..cd68a66c7bb3 100644
--- a/drivers/scsi/scsicam.c
+++ b/drivers/scsi/scsicam.c
@@ -57,6 +57,7 @@ EXPORT_SYMBOL(scsi_bios_ptable);
int scsicam_bios_param(struct block_device *bdev, sector_t capacity, int *ip)
{
unsigned char *p;
+ u64 capacity64 = capacity; /* Suppress gcc warning */
int ret;
p = scsi_bios_ptable(bdev);
@@ -68,7 +69,7 @@ int scsicam_bios_param(struct block_device *bdev, sector_t capacity, int *ip)
(unsigned int *)ip + 0, (unsigned int *)ip + 1);
kfree(p);
- if (ret == -1) {
+ if (ret == -1 && capacity64 < (1ULL << 32)) {
/* pick some standard mapping with at most 1024 cylinders,
and at most 62 sectors per track - this works up to
7905 MB */