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| author |   Lee Jones <lee.jones@linaro.org> | 2021-01-28 08:52:33 +0000 |
|---|---|---|
| committer |   Mika Westerberg <mika.westerberg@linux.intel.com> | 2021-01-28 12:33:06 +0300 |
| commit | f679a41fafc8cdc5c7879aa4726a28439fca7656 (patch) | |
| tree | 47c9935da6206b6eb47ab48079ba58dea81aa84d /drivers/thunderbolt | |
| parent | thunderbolt: Add support for de-authorizing devices (diff) | |
| download | linux-dev-f679a41fafc8cdc5c7879aa4726a28439fca7656.tar.xz linux-dev-f679a41fafc8cdc5c7879aa4726a28439fca7656.zip | |
thunderbolt: dma_port: Check 'dma_port_flash_write_block()'s return value
... and take the error path if it fails.
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/dma_port.c: In function ‘dma_port_flash_write_block’:
drivers/thunderbolt/dma_port.c:331:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/dma_port.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/thunderbolt/dma_port.c b/drivers/thunderbolt/dma_port.c index 847dd07a7b17..7288aaf01ae6 100644 --- a/drivers/thunderbolt/dma_port.c +++ b/drivers/thunderbolt/dma_port.c @@ -335,6 +335,8 @@ static int dma_port_flash_write_block(struct tb_dma_port *dma, u32 address, /* Write the block to MAIL_DATA registers */ ret = dma_port_write(sw->tb->ctl, buf, tb_route(sw), dma->port, dma->base + MAIL_DATA, dwords, DMA_PORT_TIMEOUT); + if (ret) + return ret; in = MAIL_IN_CMD_FLASH_WRITE << MAIL_IN_CMD_SHIFT; |