ubi: allow to read from volume with offset

Now user can pass an additional parameter 'offset'
to ubi_volume_read() function.

Signed-off-by: Alexey Romanov <[email protected]>
Reviewed-by: Heiko Schocher <[email protected]>
Acked-by: Heiko Schocher <[email protected]>
Signed-off-by: Michael Trimarchi <[email protected]>

1 files changed, 3 insertions, 3 deletions

diff --git a/cmd/ubi.c b/cmd/ubi.c
index 92998af2b02..4bf7c099dde 100644
--- a/cmd/ubi.c
+++ b/cmd/ubi.c
@@ -428,13 +428,13 @@ int ubi_volume_write(char *volume, void *buf, size_t size)
 	return ubi_volume_begin_write(volume, buf, size, size);
 }
 
-int ubi_volume_read(char *volume, char *buf, size_t size)
+int ubi_volume_read(char *volume, char *buf, loff_t offset, size_t size)
 {
 	int err, lnum, off, len, tbuf_size;
 	void *tbuf;
 	unsigned long long tmp;
 	struct ubi_volume *vol;
-	loff_t offp = 0;
+	loff_t offp = offset;
 	size_t len_read;
 
 	vol = ubi_find_volume(volume);
@@ -795,7 +795,7 @@ static int do_ubi(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 		}
 
 		if (argc == 3) {
-			return ubi_volume_read(argv[3], (char *)addr, size);
+			return ubi_volume_read(argv[3], (char *)addr, 0, size);
 		}
 	}