create_proc_read_entry() may fail, if so return -ENOMEM.
Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
---
drivers/usb/gadget/lh7a40x_udc.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index fded3fc..b04a62f 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -244,7 +244,7 @@ udc_proc_read(char *page, char **start, off_t off, int count,
#else /* !CONFIG_USB_GADGET_DEBUG_FILES */
-#define create_proc_files() do {} while (0)
+#define create_proc_files() ({ (void *)1; })
#define remove_proc_files() do {} while (0)
#endif /* CONFIG_USB_GADGET_DEBUG_FILES */
@@ -2092,7 +2092,12 @@ static int lh7a40x_udc_probe(struct platform_device *pdev)
return -EBUSY;
}
- create_proc_files();
+ if (create_proc_files() == NULL) {
+ DEBUG(KERN_ERR "%s: can't get irq %i, err %d\n", driver_name,
+ IRQ_USBINTR, retval);
+ free_irq(IRQ_USBINTR, dev);
+ return -ENOMEM;
+ }
return retval;
}
--
1.7.0.4
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