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authorFelipe Balbi <felipe.balbi@linux.intel.com>2019-02-05 09:00:14 +0200
committerFelipe Balbi <felipe.balbi@linux.intel.com>2019-02-05 09:00:14 +0200
commit1381a5113caf764f090b912b478663275e7b999e (patch)
tree050d61624dbe596ea601a775c03a6086b73733ea /drivers/usb/dwc3
parent7790b3556fccc555ae422f1576e97bf34c8ab8b6 (diff)
downloadlinux-1381a5113caf764f090b912b478663275e7b999e.tar.bz2
usb: dwc3: debug: purge usage of strcat
Now that buffer size is always passed around, we don't need to rely on strcat anymore. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/debug.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
index e925a6b73005..6759a7efd8d5 100644
--- a/drivers/usb/dwc3/debug.h
+++ b/drivers/usb/dwc3/debug.h
@@ -545,21 +545,25 @@ static inline const char *dwc3_ep_event_string(char *str, size_t size,
status & DEPEVT_STATUS_TRANSFER_ACTIVE ?
" (Active)" : " (Not Active)");
+ len = strlen(str);
+
/* Control Endpoints */
if (epnum <= 1) {
int phase = DEPEVT_STATUS_CONTROL_PHASE(event->status);
switch (phase) {
case DEPEVT_STATUS_CONTROL_DATA:
- strcat(str, " [Data Phase]");
+ snprintf(str + ret, size - ret,
+ " [Data Phase]");
break;
case DEPEVT_STATUS_CONTROL_STATUS:
- strcat(str, " [Status Phase]");
+ snprintf(str + ret, size - ret,
+ " [Status Phase]");
}
}
break;
case DWC3_DEPEVT_RXTXFIFOEVT:
- strcat(str, "FIFO");
+ snprintf(str + ret, size - ret, "FIFO");
break;
case DWC3_DEPEVT_STREAMEVT:
status = event->status;
@@ -571,13 +575,13 @@ static inline const char *dwc3_ep_event_string(char *str, size_t size,
break;
case DEPEVT_STREAMEVT_NOTFOUND:
default:
- strcat(str, " Stream Not Found");
+ snprintf(str + ret, size - ret, " Stream Not Found");
break;
}
break;
case DWC3_DEPEVT_EPCMDCMPLT:
- strcat(str, "Endpoint Command Complete");
+ snprintf(str + ret, size - ret, "Endpoint Command Complete");
break;
default:
snprintf(str, size, "UNKNOWN");