summaryrefslogtreecommitdiffstats
path: root/drivers/parport
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/parport')
-rw-r--r--drivers/parport/parport_mfc3.c3
-rw-r--r--drivers/parport/procfs.c24
2 files changed, 13 insertions, 14 deletions
diff --git a/drivers/parport/parport_mfc3.c b/drivers/parport/parport_mfc3.c
index f4d0da741e..bb1817218d 100644
--- a/drivers/parport/parport_mfc3.c
+++ b/drivers/parport/parport_mfc3.c
@@ -102,8 +102,7 @@ static unsigned char control_pc_to_mfc3(unsigned char control)
ret |= 128;
if (control & PARPORT_CONTROL_AUTOFD) /* AUTOLF */
ret &= ~64;
- if (control & PARPORT_CONTROL_STROBE) /* Strobe */
- /* Handled directly by hardware */;
+ /* PARPORT_CONTROL_STROBE handled directly by hardware */
return ret;
}
diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
index bd388560ed..c2e371c50d 100644
--- a/drivers/parport/procfs.c
+++ b/drivers/parport/procfs.c
@@ -51,12 +51,12 @@ static int do_active_device(struct ctl_table *table, int write,
for (dev = port->devices; dev ; dev = dev->next) {
if(dev == port->cad) {
- len += sprintf(buffer, "%s\n", dev->name);
+ len += snprintf(buffer, sizeof(buffer), "%s\n", dev->name);
}
}
if(!len) {
- len += sprintf(buffer, "%s\n", "none");
+ len += snprintf(buffer, sizeof(buffer), "%s\n", "none");
}
if (len > *lenp)
@@ -87,19 +87,19 @@ static int do_autoprobe(struct ctl_table *table, int write,
}
if ((str = info->class_name) != NULL)
- len += sprintf (buffer + len, "CLASS:%s;\n", str);
+ len += snprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str);
if ((str = info->model) != NULL)
- len += sprintf (buffer + len, "MODEL:%s;\n", str);
+ len += snprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str);
if ((str = info->mfr) != NULL)
- len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str);
+ len += snprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str);
if ((str = info->description) != NULL)
- len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str);
+ len += snprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str);
if ((str = info->cmdset) != NULL)
- len += sprintf (buffer + len, "COMMAND SET:%s;\n", str);
+ len += snprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str);
if (len > *lenp)
len = *lenp;
@@ -117,7 +117,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write,
void *result, size_t *lenp, loff_t *ppos)
{
struct parport *port = (struct parport *)table->extra1;
- char buffer[20];
+ char buffer[64];
int len = 0;
if (*ppos) {
@@ -128,7 +128,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write,
if (write) /* permissions prevent this anyway */
return -EACCES;
- len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi);
+ len += snprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi);
if (len > *lenp)
len = *lenp;
@@ -155,7 +155,7 @@ static int do_hardware_irq(struct ctl_table *table, int write,
if (write) /* permissions prevent this anyway */
return -EACCES;
- len += sprintf (buffer, "%d\n", port->irq);
+ len += snprintf (buffer, sizeof(buffer), "%d\n", port->irq);
if (len > *lenp)
len = *lenp;
@@ -182,7 +182,7 @@ static int do_hardware_dma(struct ctl_table *table, int write,
if (write) /* permissions prevent this anyway */
return -EACCES;
- len += sprintf (buffer, "%d\n", port->dma);
+ len += snprintf (buffer, sizeof(buffer), "%d\n", port->dma);
if (len > *lenp)
len = *lenp;
@@ -213,7 +213,7 @@ static int do_hardware_modes(struct ctl_table *table, int write,
#define printmode(x) \
do { \
if (port->modes & PARPORT_MODE_##x) \
- len += sprintf(buffer + len, "%s%s", f++ ? "," : "", #x); \
+ len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \
} while (0)
int f = 0;
printmode(PCSPP);