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-rw-r--r--drivers/hid/hid-core.c25
-rw-r--r--drivers/hid/hid-debug.c30
-rw-r--r--include/linux/hid-debug.h6
3 files changed, 36 insertions, 25 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index aa341d135867..f86dd9708ca5 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1260,8 +1260,6 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
struct hid_report_enum *report_enum;
struct hid_driver *hdrv;
struct hid_report *report;
- char *buf;
- unsigned int i;
int ret = 0;
if (!hid)
@@ -1284,28 +1282,9 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
}
/* Avoid unnecessary overhead if debugfs is disabled */
- if (list_empty(&hid->debug_list))
- goto nomem;
-
- buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
-
- if (!buf)
- goto nomem;
-
- /* dump the report */
- snprintf(buf, HID_DEBUG_BUFSIZE - 1,
- "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
- hid_debug_event(hid, buf);
-
- for (i = 0; i < size; i++) {
- snprintf(buf, HID_DEBUG_BUFSIZE - 1,
- " %02x", data[i]);
- hid_debug_event(hid, buf);
- }
- hid_debug_event(hid, "\n");
- kfree(buf);
+ if (!list_empty(&hid->debug_list))
+ hid_dump_report(hid, type, data, size);
-nomem:
report = hid_get_report(report_enum, data);
if (!report) {
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 933fff0fff1f..094cbcfe1e1a 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -591,6 +591,36 @@ void hid_debug_event(struct hid_device *hdev, char *buf)
}
EXPORT_SYMBOL_GPL(hid_debug_event);
+void hid_dump_report(struct hid_device *hid, int type, u8 *data,
+ int size)
+{
+ struct hid_report_enum *report_enum;
+ char *buf;
+ unsigned int i;
+
+ buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
+
+ if (!buf)
+ return;
+
+ report_enum = hid->report_enum + type;
+
+ /* dump the report */
+ snprintf(buf, HID_DEBUG_BUFSIZE - 1,
+ "\nreport (size %u) (%snumbered) = ", size,
+ report_enum->numbered ? "" : "un");
+ hid_debug_event(hid, buf);
+
+ for (i = 0; i < size; i++) {
+ snprintf(buf, HID_DEBUG_BUFSIZE - 1,
+ " %02x", data[i]);
+ hid_debug_event(hid, buf);
+ }
+ hid_debug_event(hid, "\n");
+ kfree(buf);
+}
+EXPORT_SYMBOL_GPL(hid_dump_report);
+
void hid_dump_input(struct hid_device *hdev, struct hid_usage *usage, __s32 value)
{
char *buf;
diff --git a/include/linux/hid-debug.h b/include/linux/hid-debug.h
index 53744fa1c8b7..8663f216c563 100644
--- a/include/linux/hid-debug.h
+++ b/include/linux/hid-debug.h
@@ -22,11 +22,12 @@
*
*/
-#define HID_DEBUG_BUFSIZE 512
-
#ifdef CONFIG_DEBUG_FS
+#define HID_DEBUG_BUFSIZE 512
+
void hid_dump_input(struct hid_device *, struct hid_usage *, __s32);
+void hid_dump_report(struct hid_device *, int , u8 *, int);
void hid_dump_device(struct hid_device *, struct seq_file *);
void hid_dump_field(struct hid_field *, int, struct seq_file *);
char *hid_resolv_usage(unsigned, struct seq_file *);
@@ -50,6 +51,7 @@ struct hid_debug_list {
#else
#define hid_dump_input(a,b,c) do { } while (0)
+#define hid_dump_report(a,b,c,d) do { } while (0)
#define hid_dump_device(a,b) do { } while (0)
#define hid_dump_field(a,b,c) do { } while (0)
#define hid_resolv_usage(a,b) do { } while (0)