usb: gadget: ci13xx_udc.c: fix compile warning

Fix the following compile warning:

| usb/gadget/ci13xxx_udc.c: In function 'show_registers':
| usb/gadget/ci13xxx_udc.c:1242:1: warning: the frame size of 2064 bytes is larger than 1024 bytes

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Sebastian Andrzej Siewior 2011-07-05 15:57:52 +03:00 committed by Felipe Balbi
parent 7b30d19a57
commit c2b65f8422

View file

@ -1214,12 +1214,13 @@ static DEVICE_ATTR(qheads, S_IRUSR, show_qheads, NULL);
* *
* Check "device.h" for details * Check "device.h" for details
*/ */
#define DUMP_ENTRIES 512
static ssize_t show_registers(struct device *dev, static ssize_t show_registers(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long flags; unsigned long flags;
u32 dump[512]; u32 *dump;
unsigned i, k, n = 0; unsigned i, k, n = 0;
dbg_trace("[%s] %p\n", __func__, buf); dbg_trace("[%s] %p\n", __func__, buf);
@ -1228,8 +1229,14 @@ static ssize_t show_registers(struct device *dev,
return 0; return 0;
} }
dump = kmalloc(sizeof(u32) * DUMP_ENTRIES, GFP_KERNEL);
if (!dump) {
dev_err(dev, "%s: out of memory\n", __func__);
return 0;
}
spin_lock_irqsave(udc->lock, flags); spin_lock_irqsave(udc->lock, flags);
k = hw_register_read(dump, sizeof(dump)/sizeof(u32)); k = hw_register_read(dump, DUMP_ENTRIES);
spin_unlock_irqrestore(udc->lock, flags); spin_unlock_irqrestore(udc->lock, flags);
for (i = 0; i < k; i++) { for (i = 0; i < k; i++) {
@ -1237,6 +1244,7 @@ static ssize_t show_registers(struct device *dev,
"reg[0x%04X] = 0x%08X\n", "reg[0x%04X] = 0x%08X\n",
i * (unsigned)sizeof(u32), dump[i]); i * (unsigned)sizeof(u32), dump[i]);
} }
kfree(dump);
return n; return n;
} }