57 lines
1.9 KiB
Diff
57 lines
1.9 KiB
Diff
From 951f53d9a9000dd661b9db7167929ec50d245856 Mon Sep 17 00:00:00 2001
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From: "elel@3wh.net" <elel@3wh.net>
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Date: Mon, 24 Dec 2018 21:52:48 +0000
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Subject: [PATCH 3/5] Remove hard-coded denial of ro attr change for SD
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---
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drivers/scsi/sd.c | 9 ++-------
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drivers/scsi/ufs/ufs-exynos.h | 1 +
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2 files changed, 3 insertions(+), 7 deletions(-)
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diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
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index c01742258ac4..dae2cdb1b797 100755
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--- a/drivers/scsi/sd.c
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+++ b/drivers/scsi/sd.c
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@@ -1280,11 +1280,6 @@ static int sd_ioctl(struct block_device *bdev, fmode_t mode,
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SCSI_LOG_IOCTL(1, sd_printk(KERN_INFO, sdkp, "sd_ioctl: disk=%s, "
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"cmd=0x%x\n", disk->disk_name, cmd));
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- /* Forbid setting device's ro attribute */
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- if (cmd == BLKROSET) {
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- return -EACCES;
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- }
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-
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error = scsi_verify_blk_ioctl(bdev, cmd);
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if (error < 0)
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return error;
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@@ -2261,7 +2256,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
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struct scsi_mode_data data;
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int old_wp = sdkp->write_prot;
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- //set_disk_ro(sdkp->disk, 0);
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+ set_disk_ro(sdkp->disk, 0);
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if (sdp->skip_ms_page_3f) {
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sd_printk(KERN_NOTICE, sdkp, "Assuming Write Enabled\n");
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return;
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@@ -2299,7 +2294,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
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"Test WP failed, assume Write Enabled\n");
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} else {
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sdkp->write_prot = ((data.device_specific & 0x80) != 0);
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- //set_disk_ro(sdkp->disk, sdkp->write_prot);
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+ set_disk_ro(sdkp->disk, sdkp->write_prot);
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if (sdkp->first_scan || old_wp != sdkp->write_prot) {
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sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n",
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sdkp->write_prot ? "on" : "off");
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diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h
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index 43edc4b92eb5..70fbf39408be 100644
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--- a/drivers/scsi/ufs/ufs-exynos.h
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+++ b/drivers/scsi/ufs/ufs-exynos.h
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@@ -511,4 +511,5 @@ struct ufs_attr_log {
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u32 res;
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u32 val;
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};
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+
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#endif /* _UFS_EXYNOS_H_ */
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--
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2.20.1
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