diff options
| author | Michael Walle <michael@walle.cc> | 2020-03-25 10:06:58 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-26 15:34:05 +0100 |
| commit | d7c53fb081c6347675bcd6fc4a9306111c42c111 (patch) | |
| tree | ec943b76880598a53f207fbd5dd11d0f023a96b6 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | d0e7600b914c9fd4935fe6dabf0cd5d71cb94347 (diff) | |
tty: serial: fsl_lpuart: fix return value checking
The return value of lpuart_dma_tx_request() is an negative errno on
failure and zero on success.
Fixes: 159381df1442f ("tty: serial: fsl_lpuart: fix DMA operation when using IOMMU")
Reported-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
Link: https://lore.kernel.org/r/20200325090658.25967-2-michael@walle.cc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions