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util/nvmutil: further improved errno handling

fsdg20230625
Leah Rowe 2022-11-27 00:48:37 +00:00
parent b81b51f98b
commit ff88cb1ac3
1 changed files with 6 additions and 7 deletions
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13
util/nvmutil/nvmutil.c
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@ -109,20 +109,19 @@ main(int argc, char *argv[])
cmd = &cmd_copy;
}
if (errno != 0)
goto nvmutil_exit;
if (readFromFile(&fd, gbe, FILENAME, flags, SIZE_8KB) != SIZE_8KB)
if ((strMac == NULL) && (cmd == NULL))
errno = EINVAL;
else if (readFromFile(&fd, gbe, FILENAME, flags, SIZE_8KB) != SIZE_8KB)
goto nvmutil_exit;
else if (errno == ENOTDIR)
errno = 0;
if (strMac != NULL)
if (errno != 0)
goto nvmutil_exit;
else if (strMac != NULL)
setmac(strMac);
else if (cmd != NULL)
(*cmd)();
else
errno = EINVAL;
if (gbeFileModified)
writeGbeFile(&fd, FILENAME);