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| author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2017-01-17 23:50:44 +0100 |
|---|---|---|
| committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2017-01-17 23:50:44 +0100 |
| commit | 3619db98361964903b81cfad1df177ba2545adb3 (patch) | |
| tree | 191ee340010c9e826319d5091cdc907dc883dfef /drivers/scsi/sg.c | |
| parent | d5330e2aff68913334e7571d8f101295557c9339 (diff) | |
| parent | d366ce9f4a0b8bd1614559a0582279832f041176 (diff) | |
| download | kernel_samsung_smdk4412-3619db98361964903b81cfad1df177ba2545adb3.zip kernel_samsung_smdk4412-3619db98361964903b81cfad1df177ba2545adb3.tar.gz kernel_samsung_smdk4412-3619db98361964903b81cfad1df177ba2545adb3.tar.bz2 | |
Merge remote-tracking branch 'lineageos/cm-13.0' into replicant-6.0
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 4172f89..819c84b 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -543,6 +543,9 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) sg_io_hdr_t *hp; unsigned char cmnd[MAX_COMMAND_SIZE]; + if (unlikely(segment_eq(get_fs(), KERNEL_DS))) + return -EINVAL; + if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp))) return -ENXIO; SCSI_LOG_TIMEOUT(3, printk("sg_write: %s, count=%d\n", |