From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Dec 2017 15:27:07 +0100
MIME-Version: 1.0
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The script “checkpatch.pl” pointed information out like the following.
Comparison to NULL could be written …
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/rapidio/rio.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 032ede23a8cb..f89085564c2c 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -243,7 +243,7 @@ int rio_request_inb_mbox(struct rio_mport *mport,
int rc = -ENOSYS;
struct resource *res;
- if (mport->ops->open_inb_mbox == NULL)
+ if (!mport->ops->open_inb_mbox)
goto out;
res = kzalloc(sizeof(struct resource), GFP_KERNEL);
@@ -326,7 +326,7 @@ int rio_request_outb_mbox(struct rio_mport *mport,
int rc = -ENOSYS;
struct resource *res;
- if (mport->ops->open_outb_mbox == NULL)
+ if (!mport->ops->open_outb_mbox)
goto out;
res = kzalloc(sizeof(struct resource), GFP_KERNEL);
@@ -632,7 +632,7 @@ int rio_request_inb_pwrite(struct rio_dev *rdev,
int rc = 0;
spin_lock(&rio_global_list_lock);
- if (rdev->pwcback != NULL)
+ if (rdev->pwcback)
rc = -ENOMEM;
else
rdev->pwcback = pwcback;
@@ -975,7 +975,7 @@ rio_chk_dev_route(struct rio_dev *rdev, struct rio_dev **nrdev, int *npnum)
rdev = rdev->prev;
}
- if (prev == NULL)
+ if (!prev)
goto err_out;
p_port = prev->rswitch->route_table[rdev->destid];
@@ -1054,7 +1054,7 @@ rio_get_input_status(struct rio_dev *rdev, int pnum, u32 *lnkresp)
RIO_MNT_REQ_CMD_IS);
/* Exit if the response is not expected */
- if (lnkresp == NULL)
+ if (!lnkresp)
return 0;
checkcount = 3;
@@ -1696,7 +1696,7 @@ int rio_route_add_entry(struct rio_dev *rdev,
spin_lock(&rdev->rswitch->lock);
- if (ops == NULL || ops->add_entry == NULL) {
+ if (!ops || !ops->add_entry) {
rc = rio_std_route_add_entry(rdev->net->hport, rdev->destid,
rdev->hopcount, table,
route_destid, route_port);
@@ -1749,7 +1749,7 @@ int rio_route_get_entry(struct rio_dev *rdev, u16 table,
spin_lock(&rdev->rswitch->lock);
- if (ops == NULL || ops->get_entry == NULL) {
+ if (!ops || !ops->get_entry) {
rc = rio_std_route_get_entry(rdev->net->hport, rdev->destid,
rdev->hopcount, table,
route_destid, route_port);
@@ -1797,7 +1797,7 @@ int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock)
spin_lock(&rdev->rswitch->lock);
- if (ops == NULL || ops->clr_table == NULL) {
+ if (!ops || !ops->clr_table) {
rc = rio_std_route_clr_table(rdev->net->hport, rdev->destid,
rdev->hopcount, table);
} else if (try_module_get(ops->owner)) {
@@ -1889,7 +1889,7 @@ struct dma_async_tx_descriptor *rio_dma_prep_xfer(struct dma_chan *dchan,
{
struct rio_dma_ext rio_ext;
- if (dchan->device->device_prep_slave_sg == NULL) {
+ if (!dchan->device->device_prep_slave_sg) {
pr_err("%s: prep_rio_sg == NULL\n", __func__);
return NULL;
}
--
2.15.1
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