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path: root/drivers/input/touchscreen/atmel_mxt_ts.c
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Diffstat (limited to 'drivers/input/touchscreen/atmel_mxt_ts.c')
-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index f5d66859f232..a596c2775d1a 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -910,12 +910,17 @@ static ssize_t mxt_object_show(struct device *dev,
for (i = 0; i < data->info.object_num; i++) {
object = data->object_table + i;
- count += sprintf(buf + count,
- "Object Table Element %d(Type %d)\n",
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "Object[%d] (Type %d)\n",
i + 1, object->type);
+ if (count >= PAGE_SIZE)
+ return PAGE_SIZE - 1;
if (!mxt_object_readable(object->type)) {
- count += sprintf(buf + count, "\n");
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "\n");
+ if (count >= PAGE_SIZE)
+ return PAGE_SIZE - 1;
continue;
}
@@ -925,11 +930,15 @@ static ssize_t mxt_object_show(struct device *dev,
if (error)
return error;
- count += sprintf(buf + count,
- " Byte %d: 0x%x (%d)\n", j, val, val);
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "\t[%2d]: %02x (%d)\n", j, val, val);
+ if (count >= PAGE_SIZE)
+ return PAGE_SIZE - 1;
}
- count += sprintf(buf + count, "\n");
+ count += snprintf(buf + count, PAGE_SIZE - count, "\n");
+ if (count >= PAGE_SIZE)
+ return PAGE_SIZE - 1;
}
return count;