If nvec_write_async() fails, return -1 in the relevant parts of the PS2 driver.
Signed-off-by: Julian Andres Klode <[email protected]> --- drivers/staging/nvec/nvec_ps2.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c index 67c7755..7721d4a 100644 --- a/drivers/staging/nvec/nvec_ps2.c +++ b/drivers/staging/nvec/nvec_ps2.c @@ -38,7 +38,8 @@ static struct nvec_ps2 ps2_dev; static int ps2_startstreaming(struct serio *ser_dev) { unsigned char buf[] = START_STREAMING; - nvec_write_async(ps2_dev.nvec, buf, sizeof(buf)); + if (nvec_write_async(ps2_dev.nvec, buf, sizeof(buf)) < 0) + return -1; return 0; } @@ -55,7 +56,8 @@ static int ps2_sendcommand(struct serio *ser_dev, unsigned char cmd) buf[2] = cmd & 0xff; dev_dbg(&ser_dev->dev, "Sending ps2 cmd %02x\n", cmd); - nvec_write_async(ps2_dev.nvec, buf, sizeof(buf)); + if (nvec_write_async(ps2_dev.nvec, buf, sizeof(buf)) < 0) + return -1; return 0; } -- 1.7.5.4 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
