drivers/sbus/char/flash.c: flash_read should update ppos instead of file->f_pos
flash_read() updates file->f_pos directly instead of the ppos given. The
VFS later updates the file->f_pos and overwrites it with the unchanged
value of ppos.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 19f255b..d3b62eb 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -105,9 +105,9 @@
flash_read(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
- unsigned long p = file->f_pos;
+ loff_t p = *ppos;
int i;
-
+
if (count > flash.read_size - p)
count = flash.read_size - p;
@@ -118,7 +118,7 @@
buf++;
}
- file->f_pos += count;
+ *ppos += count;
return count;
}