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stlinkv3_spi: Avoid division by zero

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Change-Id: I08c0612f3fea59add9bde2fb3cc5c4b5c3756516
Found-by: Coverity Scan #1412744
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/40653
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67864
Reviewed-by: Felix Singer <felixsinger@posteo.net>
This commit is contained in:
Patrick Georgi 2020-04-23 09:36:12 +02:00 committed by Felix Singer
parent 399a4dd721
commit 355a1df183
1 changed files with 3 additions and 2 deletions
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stlinkv3_spi.c
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@ -491,10 +491,11 @@ int stlinkv3_spi_init(void)
speed_str = extract_programmer_param("spispeed");
if (speed_str) {
sck_freq_kHz = strtoul(speed_str, &endptr, 0);
if (*endptr) {
if (*endptr || sck_freq_kHz == 0) {
msg_perr("The spispeed parameter passed with invalid format: %s\n",
speed_str);
msg_perr("Please pass the parameter with a simple number in kHz\n");
msg_perr("Please pass the parameter "
"with a simple non-zero number in kHz\n");
return -1;
}
free(speed_str);