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libusb: Fix minor cast-qual warning.

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Fix a warning triggered by the gcc + FORTIFY_SOURCE patches:

In function 'libusb20_parse_config_desc': lib/libusb/libusb20_desc.c:141:
warning: passing argument 1 of 'memcpy' discards qualifiers from pointer
target type

Submitted by:	hselansky
This commit is contained in:
Pedro F. Giffuni 2015-07-20 16:15:56 +00:00
parent d37cb73c79
commit 5a5c6e994c
1 changed files with 3 additions and 5 deletions
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8
lib/libusb/libusb20_desc.c
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@ -137,15 +137,13 @@ libusb20_parse_config_desc(const void *config_desc)
* Make a copy of the config descriptor, so that the caller can free
* the inital config descriptor pointer!
*/
ptr = (void *)(lub_endpoint + nendpoint);
memcpy(LIBUSB20_ADD_BYTES(ptr, 0), config_desc, pcdesc.len);
memcpy((void *)(lub_endpoint + nendpoint), config_desc, pcdesc.len);
ptr = (const void *)(lub_endpoint + nendpoint);
pcdesc.ptr = LIBUSB20_ADD_BYTES(ptr, 0);
config_desc = LIBUSB20_ADD_BYTES(ptr, 0);
/* init config structure */
ptr = config_desc;
LIBUSB20_INIT(LIBUSB20_CONFIG_DESC, &lub_config->desc);
if (libusb20_me_decode(ptr, ptr[0], &lub_config->desc)) {