Hi,
here is a second patch proposal with a dynamic size allocation for evstr in cb_getvar.
Thanks in advance for your feedback/approval. Best Regards Nicolas
---
--- drivers/usb/gadget/f_fastboot.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 2160b1c..8b73277 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -432,9 +432,11 @@ static void cb_getvar(struct usb_ep *ep, struct usb_request *req) else strcpy(response, "FAILValue not set"); } else { - char envstr[32]; + char *envstr;
- snprintf(envstr, sizeof(envstr) - 1, "fastboot.%s", cmd); + envstr = malloc(sizeof("fastboot.%s", cmd) + 1); + + sprintf(envstr, "fastboot.%s", cmd); s = getenv(envstr); if (s) { strncat(response, s, chars_left);