X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/bd2fb79eea309828694a645c469f16cff554cd81..bdffae3cefd6308e45d049d31553edc16a52dc74:/src/am7xxx.c diff --git a/src/am7xxx.c b/src/am7xxx.c index 3334615..db7ca9a 100644 --- a/src/am7xxx.c +++ b/src/am7xxx.c @@ -747,12 +747,15 @@ static int open_device(am7xxx_context *ctx, debug(ctx, "libusb_claim_interface failed\n"); debug(ctx, "Cannot claim interface %hhu\n", (*dev)->desc->interface_number); -out_libusb_close: - libusb_close((*dev)->usb_device); - (*dev)->usb_device = NULL; + goto out_libusb_close; } out: return ret; + +out_libusb_close: + libusb_close((*dev)->usb_device); + (*dev)->usb_device = NULL; + return ret; } typedef enum { @@ -764,13 +767,14 @@ typedef enum { * This is where the central logic of multi-device support is. * * When 'op' == SCAN_OP_BUILD_DEVLIST the parameters 'open_device_index' and - * 'dev' are ignored; the function returns 0 on success and a negative value + * 'dev' are ignored; the function returns 0 on success or a negative value * on error. * * When 'op' == SCAN_OP_OPEN_DEVICE the function opens the supported USB * device with index 'open_device_index' and returns the correspondent - * am7xxx_device in the 'dev' parameter; the function returns 0 on success, - * 1 if the device was already open and a negative value on error. + * am7xxx_device in the 'dev' parameter; the function returns the value from + * open_device(), which is 0 on success, 1 if the device was already open or + * a negative value on error. * * NOTES: * if scan_devices() fails when called with 'op' == SCAN_OP_BUILD_DEVLIST,