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authorPaolo Bonzini <[email protected]>2024-07-12 11:24:12 -0400
committerPaolo Bonzini <[email protected]>2024-07-12 11:24:12 -0400
commitc8b8b8190a80b591aa73c27c70a668799f8db547 (patch)
tree9d948c9aac89678abe64ac81f6c43348bf4b2091 /drivers/scsi/sr_ioctl.c
parentf0a23883fad4ec8a63faddb9639a92be2e007624 (diff)
parent492ac37fa38faf520b5beae44c930063265ee183 (diff)
Merge tag 'loongarch-kvm-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.11 1. Add ParaVirt steal time support. 2. Add some VM migration enhancement. 3. Add perf kvm-stat support for loongarch.
Diffstat (limited to 'drivers/scsi/sr_ioctl.c')
-rw-r--r--drivers/scsi/sr_ioctl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 5b0b35e60e61..a0d2556a27bb 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -425,11 +425,14 @@ int sr_reset(struct cdrom_device_info *cdi)
return 0;
}
-int sr_select_speed(struct cdrom_device_info *cdi, int speed)
+int sr_select_speed(struct cdrom_device_info *cdi, unsigned long speed)
{
Scsi_CD *cd = cdi->handle;
struct packet_command cgc;
+ /* avoid exceeding the max speed or overflowing integer bounds */
+ speed = clamp(0, speed, 0xffff / 177);
+
if (speed == 0)
speed = 0xffff; /* set to max */
else