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pickit2_spi: Fix "dead" assignment

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We never read the first 'ret'. Let's check the first 'ret'
and exit if it failed.

Also, print the version only when the command succeeded.

Found-by: scan-build 7.0.1-8
Change-Id: I4aac5e1f3bd0604b079e1fdd9b7f09f1f4fc2d7f
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/34403
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Elyes HAOUAS 2019-07-18 14:00:13 +02:00 committed by Nico Huber
parent a136d425ce
commit 3384fb6dda
1 changed files with 10 additions and 4 deletions
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14
pickit2_spi.c
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@ -93,17 +93,23 @@ static int pickit2_get_firmware_version(void)
{
int ret;
uint8_t command[CMD_LENGTH] = {CMD_GET_VERSION, CMD_END_OF_BUFFER};
int transferred;
ret = libusb_interrupt_transfer(pickit2_handle, ENDPOINT_OUT, command, CMD_LENGTH, &transferred, DFLT_TIMEOUT);
ret = libusb_interrupt_transfer(pickit2_handle, ENDPOINT_IN, command, CMD_LENGTH, &transferred, DFLT_TIMEOUT);
msg_pdbg("PICkit2 Firmware Version: %d.%d\n", (int)command[0], (int)command[1]);
ret = libusb_interrupt_transfer(pickit2_handle, ENDPOINT_OUT, command, CMD_LENGTH, &transferred, DFLT_TIMEOUT);
if (ret != 0) {
msg_perr("Command Get Firmware Version failed!\n");
return 1;
}
ret = libusb_interrupt_transfer(pickit2_handle, ENDPOINT_IN, command, CMD_LENGTH, &transferred, DFLT_TIMEOUT);
if (ret != 0) {
msg_perr("Command Get Firmware Version failed!\n");
return 1;
}
msg_pdbg("PICkit2 Firmware Version: %d.%d\n", (int)command[0], (int)command[1]);
return 0;
}