diff options
Diffstat (limited to 'drivers/usb/gadget/f_fastboot.c')
| -rw-r--r-- | drivers/usb/gadget/f_fastboot.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index ddf989c215..2160b1ccdc 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -151,16 +151,18 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req); static int strcmp_l1(const char *s1, const char *s2); -void fastboot_fail(char *response, const char *reason) +static char *fb_response_str; + +void fastboot_fail(const char *reason) { - strncpy(response, "FAIL\0", 5); - strncat(response, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); + strncpy(fb_response_str, "FAIL\0", 5); + strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); } -void fastboot_okay(char *response, const char *reason) +void fastboot_okay(const char *reason) { - strncpy(response, "OKAY\0", 5); - strncat(response, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); + strncpy(fb_response_str, "OKAY\0", 5); + strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); } static void fastboot_complete(struct usb_ep *ep, struct usb_request *req) @@ -588,15 +590,18 @@ static void cb_flash(struct usb_ep *ep, struct usb_request *req) return; } - strcpy(response, "FAILno flash device defined"); + /* initialize the response buffer */ + fb_response_str = response; + + fastboot_fail("no flash device defined"); #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV fb_mmc_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR, - download_bytes, response); + download_bytes); #endif #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV fb_nand_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR, - download_bytes, response); + download_bytes); #endif fastboot_tx_write_str(response); } @@ -637,13 +642,15 @@ static void cb_erase(struct usb_ep *ep, struct usb_request *req) return; } - strcpy(response, "FAILno flash device defined"); + /* initialize the response buffer */ + fb_response_str = response; + fastboot_fail("no flash device defined"); #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV - fb_mmc_erase(cmd, response); + fb_mmc_erase(cmd); #endif #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV - fb_nand_erase(cmd, response); + fb_nand_erase(cmd); #endif fastboot_tx_write_str(response); } |