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SCSI fixes on 20200424

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Two minor fixes one to update a Kconfig reference and the other to fix
 an unreleased resource on an error path in sg.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two minor fixes: one to update a Kconfig reference and the other to
  fix a resource leak on an error path in sg"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: Update referenced link to cdrtools
  scsi: sg: add sg_remove_request in sg_write
This commit is contained in:
Linus Torvalds 2020-04-24 16:23:24 -07:00
commit 5ef58e2907
2 changed files with 4 additions and 2 deletions
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2
drivers/scsi/Kconfig
View File

@ -127,7 +127,7 @@ config CHR_DEV_SG
For scanners, look at SANE (<http://www.sane-project.org/>). For CD
writer software look at Cdrtools
(<http://cdrecord.berlios.de/private/cdrecord.html>)
(<http://cdrtools.sourceforge.net/>)
and for burning a "disk at once": CDRDAO
(<http://cdrdao.sourceforge.net/>). Cdparanoia is a high
quality digital reader of audio CDs (<http://www.xiph.org/paranoia/>).

4
drivers/scsi/sg.c
View File

@ -685,8 +685,10 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
hp->flags = input_size; /* structure abuse ... */
hp->pack_id = old_hdr.pack_id;
hp->usr_ptr = NULL;
if (copy_from_user(cmnd, buf, cmd_size))
if (copy_from_user(cmnd, buf, cmd_size)) {
sg_remove_request(sfp, srp);
return -EFAULT;
}
/*
* SG_DXFER_TO_FROM_DEV is functionally equivalent to SG_DXFER_FROM_DEV,
* but is is possible that the app intended SG_DXFER_TO_DEV, because there