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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-31 09:44:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-31 09:44:28 +0200 |
| commit | 910cc9537302caddc9777cf3ae2f5582730380c9 (patch) | |
| tree | 0dd42f4dd712fb6901b4f8c12f85508a7ad5b1ef /drivers/thunderbolt/usb4.c | |
| parent | tty: serial: 8250: serial_cs: Fix a memory leak in error handling path (diff) | |
| parent | Linux 5.13-rc4 (diff) | |
| download | linux-910cc9537302caddc9777cf3ae2f5582730380c9.tar.xz linux-910cc9537302caddc9777cf3ae2f5582730380c9.zip | |
Merge 5.13-rc4 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/usb4.c')
| -rw-r--r-- | drivers/thunderbolt/usb4.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 680bc738dd66..671d72af8ba1 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -68,15 +68,15 @@ static int usb4_do_read_data(u16 address, void *buf, size_t size, unsigned int retries = USB4_DATA_RETRIES; unsigned int offset; - offset = address & 3; - address = address & ~3; - do { - size_t nbytes = min_t(size_t, size, USB4_DATA_DWORDS * 4); unsigned int dwaddress, dwords; u8 data[USB4_DATA_DWORDS * 4]; + size_t nbytes; int ret; + offset = address & 3; + nbytes = min_t(size_t, size + offset, USB4_DATA_DWORDS * 4); + dwaddress = address / 4; dwords = ALIGN(nbytes, 4) / 4; @@ -87,6 +87,7 @@ static int usb4_do_read_data(u16 address, void *buf, size_t size, return ret; } + nbytes -= offset; memcpy(buf, data + offset, nbytes); size -= nbytes; |