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mfiutil: Handle potential ioctl(2) failures in mfi_flash.c

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The return value of function 'mfi_dcmd_command' should always be checked for
the potential ioctl(2) failure.

PR:		281158
MFC after:	1 week
Pull Request: https://github.com/freebsd/freebsd-src/pull/1403
This commit is contained in:
WHR 2024-09-03 13:12:20 +08:00 committed by Xin LI
parent c7dd97ec99
commit bac98f86c9
1 changed files with 28 additions and 11 deletions
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39
usr.sbin/mfiutil/mfi_flash.c
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@ -129,9 +129,15 @@ flash_adapter(int ac, char **av)
/* First, ask the firmware to allocate space for the flash file. */
mbox_store_word(mbox, sb.st_size);
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_OPEN, NULL, 0, mbox, 4, &status);
if (mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_OPEN, NULL, 0, mbox, 4,
&status) < 0) {
error = errno;
warn("Failed to allocate flash memory");
goto error;
}
if (status != MFI_STAT_OK) {
warnx("Failed to alloc flash memory: %s", mfi_status(status));
warnx("Failed to allocate flash memory: %s",
mfi_status(status));
error = EIO;
goto error;
}
@ -148,19 +154,26 @@ flash_adapter(int ac, char **av)
nread = read(flash, buf, FLASH_BUF_SIZE);
if (nread <= 0 || nread % 1024 != 0) {
warnx("Bad read from flash file");
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
NULL, 0, NULL);
if (mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE,
NULL, 0, NULL, 0, NULL) < 0) {
warn("Failed to discard flash memory");
}
error = ENXIO;
goto error;
}
mbox_store_word(mbox, offset);
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_DOWNLOAD, buf, nread,
mbox, 4, &status);
if (mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_DOWNLOAD, buf, nread,
mbox, 4, &status) < 0) {
error = errno;
warn("Failed to download firmware");
goto error;
}
if (status != MFI_STAT_OK) {
warnx("Flash download failed: %s", mfi_status(status));
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
NULL, 0, NULL);
warnx("Failed to download firmware: %s",
mfi_status(status));
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL,
0, NULL, 0, NULL);
error = ENXIO;
goto error;
}
@ -171,8 +184,12 @@ flash_adapter(int ac, char **av)
/* Kick off the flash. */
printf("WARNING: Firmware flash in progress, do not reboot machine... ");
fflush(stdout);
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_FLASH, &dummy, sizeof(dummy),
NULL, 0, &status);
if (mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_FLASH, &dummy, sizeof(dummy),
NULL, 0, &status) < 0) {
error = errno;
printf("failed:\n\t%s\n", strerror(error));
goto error;
}
if (status != MFI_STAT_OK) {
printf("failed:\n\t%s\n", mfi_status(status));
error = ENXIO;