Message ID | 20180430145558.4308-2-npiggin@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Commit | bd90284cc6c1c9e8e48c8eadd0c79574fcce0b81 |
Headers | show |
Series | hvc and powerpc opal console latency reduction | expand |
On Mon, 2018-04-30 at 14:55:44 UTC, Nicholas Piggin wrote: > The intention here is to consume and discard the remaining buffer > upon error. This works if there has not been a previous partial write. > If there has been, then total_len is no longer total number of bytes > to copy. total_len is always "bytes left to copy", so it should be > added to written bytes. > > This code may not be exercised any more if partial writes will not be > hit, but this is a small bugfix before a larger change. > > Reviewed-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> > Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Patches 1-9 applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/bd90284cc6c1c9e8e48c8eadd0c795 cheers
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 48fbb41af5d1..e695b836fd49 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -388,7 +388,7 @@ int opal_put_chars(uint32_t vtermno, const char *data, int total_len) /* Closed or other error drop */ if (rc != OPAL_SUCCESS && rc != OPAL_BUSY && rc != OPAL_BUSY_EVENT) { - written = total_len; + written += total_len; break; } if (rc == OPAL_SUCCESS) {