dgnc_ports_state_show is removed, since it exposes ports status which help an adversary to
plan an attack.
Signed-off-by: Salah Triki <salah.triki@xxxxxxx>
---
drivers/staging/dgnc/dgnc_sysfs.c | 21 ---------------------
1 file changed, 21 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_sysfs.c b/drivers/staging/dgnc/dgnc_sysfs.c
index 48b6056..00c02df 100644
--- a/drivers/staging/dgnc/dgnc_sysfs.c
+++ b/drivers/staging/dgnc/dgnc_sysfs.c
@@ -153,25 +153,6 @@ static ssize_t dgnc_serial_number_show(struct device *p,
static DEVICE_ATTR(serial_number, S_IRUSR, dgnc_serial_number_show, NULL);
-static ssize_t dgnc_ports_state_show(struct device *p,
- struct device_attribute *attr, char *buf)
-{
- struct dgnc_board *bd;
- int count = 0;
- int i = 0;
-
- DGNC_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count,
- "%d %s\n", bd->channels[i]->ch_portnum,
- bd->channels[i]->ch_open_count ? "Open" : "Closed");
- }
- return count;
-}
-static DEVICE_ATTR(ports_state, S_IRUSR, dgnc_ports_state_show, NULL);
-
-
static ssize_t dgnc_ports_baud_show(struct device *p,
struct device_attribute *attr, char *buf)
{
@@ -364,7 +345,6 @@ void dgnc_create_ports_sysfiles(struct dgnc_board *bd)
int rc = 0;
dev_set_drvdata(&bd->pdev->dev, bd);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_state);
rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_baud);
rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
@@ -384,7 +364,6 @@ void dgnc_create_ports_sysfiles(struct dgnc_board *bd)
/* removes all the sys files created for that port */
void dgnc_remove_ports_sysfiles(struct dgnc_board *bd)
{
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_state);
device_remove_file(&(bd->pdev->dev), &dev_attr_ports_baud);
device_remove_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
device_remove_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
--
1.9.1
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