API conformance testing for completions with coccinelle spatches are being
used to locate API usage inconsistencies:
./drivers/media/pci/ddbridge/ddbridge-core.c:89
incorrect check for negative return
Return type of wait_event_timeout is signed long not int and the
return type is >=0 always thus the negative check is unnecessary..
As stat is used here exclusively its type is simply changed and the
negative return check dropped.
Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
---
Patch was compile tested with x86_64_defconfig + CONFIG_MEDIA_SUPPORT=m,
MEDIA_DIGITAL_TV_SUPPORT=y, CONFIG_MEDIA_PCI_SUPPORT=y,
CONFIG_DVB_DDBRIDGE=m
Patch is against 4.1-rc7 (localversion-next is -next-20150609)
drivers/media/pci/ddbridge/ddbridge-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c
index 9e3492e..7f1b3b3 100644
--- a/drivers/media/pci/ddbridge/ddbridge-core.c
+++ b/drivers/media/pci/ddbridge/ddbridge-core.c
@@ -81,13 +81,13 @@ static int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr,
static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
{
struct ddb *dev = i2c->dev;
- int stat;
+ long stat;
u32 val;
i2c->done = 0;
ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND);
stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ);
- if (stat <= 0) {
+ if (stat == 0) {
printk(KERN_ERR "I2C timeout\n");
{ /* MSI debugging*/
u32 istat = ddbreadl(INTERRUPT_STATUS);
--
1.7.10.4
--
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