diff options
author | Greg Kroah-Hartman <gregkh@google.com> | 2017-10-12 12:05:45 +0200 |
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committer | Greg Kroah-Hartman <gregkh@google.com> | 2017-10-12 12:05:45 +0200 |
commit | 73a2b70bdf78f3ad747dd740c9e55c062c71b86c (patch) | |
tree | ec10e734d1d3ba0cd6630bd59a27e94a1f59ca3b /drivers/scsi | |
parent | 35091a1d8b61ccc35eba80850f20deed1f543928 (diff) | |
parent | 69f53f5d37d53ba17ca744947226b4cdadb90c13 (diff) |
Merge 4.4.92 into android-4.4
Changes in 4.4.92
usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write
USB: gadgetfs: Fix crash caused by inadequate synchronization
USB: gadgetfs: fix copy_to_user while holding spinlock
usb: gadget: udc: atmel: set vbus irqflags explicitly
usb-storage: unusual_devs entry to fix write-access regression for Seagate external drives
usb: renesas_usbhs: fix the BCLR setting condition for non-DCP pipe
usb: renesas_usbhs: fix usbhsf_fifo_clear() for RX direction
ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor
usb: pci-quirks.c: Corrected timeout values used in handshake
USB: dummy-hcd: fix connection failures (wrong speed)
USB: dummy-hcd: fix infinite-loop resubmission bug
USB: dummy-hcd: Fix erroneous synchronization change
USB: devio: Don't corrupt user memory
usb: gadget: mass_storage: set msg_registered after msg registered
USB: g_mass_storage: Fix deadlock when driver is unbound
lsm: fix smack_inode_removexattr and xattr_getsecurity memleak
ALSA: compress: Remove unused variable
ALSA: usx2y: Suppress kernel warning at page allocation failures
driver core: platform: Don't read past the end of "driver_override" buffer
Drivers: hv: fcopy: restore correct transfer length
stm class: Fix a use-after-free
ftrace: Fix kmemleak in unregister_ftrace_graph
HID: i2c-hid: allocate hid buffers for real worst case
iwlwifi: add workaround to disable wide channels in 5GHz
scsi: sd: Do not override max_sectors_kb sysfs setting
USB: uas: fix bug in handling of alternate settings
USB: core: harden cdc_parse_cdc_header
usb: Increase quirk delay for USB devices
USB: fix out-of-bounds in usb_set_configuration
xhci: fix finding correct bus_state structure for USB 3.1 hosts
iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()'
iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()'
iio: ad_sigma_delta: Implement a dedicated reset function
staging: iio: ad7192: Fix - use the dedicated reset function avoiding dma from stack.
iio: core: Return error for failed read_reg
iio: ad7793: Fix the serial interface reset
iio: adc: mcp320x: Fix readout of negative voltages
iio: adc: mcp320x: Fix oops on module unload
uwb: properly check kthread_run return value
uwb: ensure that endpoint is interrupt
brcmfmac: setup passive scan if requested by user-space
drm/i915/bios: ignore HDMI on port A
nvme: protect against simultaneous shutdown invocations
sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs
ext4: fix data corruption for mmap writes
ext4: Don't clear SGID when inheriting ACLs
ext4: don't allow encrypted operations without keys
Linux 4.4.92
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/sd.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 8750c86f95f9..7e1681cf287c 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2878,8 +2878,6 @@ static int sd_revalidate_disk(struct gendisk *disk) sd_read_write_same(sdkp, buffer); } - sdkp->first_scan = 0; - /* * We now have all cache related info, determine how we deal * with flush requests. @@ -2894,7 +2892,7 @@ static int sd_revalidate_disk(struct gendisk *disk) q->limits.max_dev_sectors = logical_to_sectors(sdp, dev_max); /* - * Use the device's preferred I/O size for reads and writes + * Determine the device's preferred I/O size for reads and writes * unless the reported value is unreasonably small, large, or * garbage. */ @@ -2908,8 +2906,19 @@ static int sd_revalidate_disk(struct gendisk *disk) rw_max = min_not_zero(logical_to_sectors(sdp, dev_max), (sector_t)BLK_DEF_MAX_SECTORS); - /* Combine with controller limits */ - q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q)); + /* Do not exceed controller limit */ + rw_max = min(rw_max, queue_max_hw_sectors(q)); + + /* + * Only update max_sectors if previously unset or if the current value + * exceeds the capabilities of the hardware. + */ + if (sdkp->first_scan || + q->limits.max_sectors > q->limits.max_dev_sectors || + q->limits.max_sectors > q->limits.max_hw_sectors) + q->limits.max_sectors = rw_max; + + sdkp->first_scan = 0; set_capacity(disk, logical_to_sectors(sdp, sdkp->capacity)); sd_config_write_same(sdkp); |