If nvec_write_async() fails, return -1 in the relevant
parts of the PS2 driver.
Signed-off-by: Julian Andres Klode <jak@xxxxxxxxxxxxx>
---
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
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