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Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
[sfrench/cifs-2.6.git]
/
block
/
bsg.c
diff --git
a/block/bsg.c
b/block/bsg.c
index 8a05a404ae708503589bdf33643948c37d243e62..a57046de2f07f00eae78aaabe9b5e43c1ecc178f 100644
(file)
--- a/
block/bsg.c
+++ b/
block/bsg.c
@@
-655,6
+655,9
@@
bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
dprintk("%s: write %Zd bytes\n", bd->name, count);
+ if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
+ return -EINVAL;
+
bsg_set_block(bd, file);
bytes_written = 0;