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-rw-r--r--drivers/nfc/pn533.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 97c440a8cd61..f563cac02f31 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -84,6 +84,10 @@ MODULE_DEVICE_TABLE(usb, pn533_table);
84#define PN533_LISTEN_TIME 2 84#define PN533_LISTEN_TIME 2
85 85
86/* frame definitions */ 86/* frame definitions */
87#define PN533_NORMAL_FRAME_MAX_LEN 262 /* 6 (PREAMBLE, SOF, LEN, LCS, TFI)
88 254 (DATA)
89 2 (DCS, postamble) */
90
87#define PN533_FRAME_TAIL_SIZE 2 91#define PN533_FRAME_TAIL_SIZE 2
88#define PN533_FRAME_SIZE(f) (sizeof(struct pn533_frame) + f->datalen + \ 92#define PN533_FRAME_SIZE(f) (sizeof(struct pn533_frame) + f->datalen + \
89 PN533_FRAME_TAIL_SIZE) 93 PN533_FRAME_TAIL_SIZE)
@@ -2373,9 +2377,9 @@ static int pn533_probe(struct usb_interface *interface,
2373 goto error; 2377 goto error;
2374 } 2378 }
2375 2379
2376 dev->in_frame = kmalloc(dev->in_maxlen, GFP_KERNEL); 2380 dev->in_frame = kmalloc(PN533_NORMAL_FRAME_MAX_LEN, GFP_KERNEL);
2377 dev->in_urb = usb_alloc_urb(0, GFP_KERNEL); 2381 dev->in_urb = usb_alloc_urb(0, GFP_KERNEL);
2378 dev->out_frame = kmalloc(dev->out_maxlen, GFP_KERNEL); 2382 dev->out_frame = kmalloc(PN533_NORMAL_FRAME_MAX_LEN, GFP_KERNEL);
2379 dev->out_urb = usb_alloc_urb(0, GFP_KERNEL); 2383 dev->out_urb = usb_alloc_urb(0, GFP_KERNEL);
2380 2384
2381 if (!dev->in_frame || !dev->out_frame || 2385 if (!dev->in_frame || !dev->out_frame ||