From: Alexander Usyskin alexander.usyskin@intel.com
MEI enables writes of complete messages only while read can be performed in parts, hence write should not update the file offset to not break interleaving partial reads with writes.
Cc: stable@vger.kernel.org Signed-off-by: Alexander Usyskin alexander.usyskin@intel.com Signed-off-by: Tomas Winkler tomas.winkler@intel.com --- drivers/misc/mei/main.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index f690918f7817..302ba7a63bd2 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -312,7 +312,6 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, } }
- *offset = 0; cb = mei_cl_alloc_cb(cl, length, MEI_FOP_WRITE, file); if (!cb) { rets = -ENOMEM;