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Don't convert ENOENT to nothing for individual lookup, just for the

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iterative get_next interface. This prevents efivar(3) from printing 4k
of 0's when a variable isn't set.

Sponsored by: Netflix
This commit is contained in:
Warner Losh 2017-02-25 00:09:21 +00:00
parent d8fab838af
commit 589c673b32
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=314231
1 changed files with 6 additions and 4 deletions
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10
lib/libefivar/efivar.c
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@ -132,10 +132,7 @@ rv_to_linux_rv(int rv)
{
if (rv == 0)
rv = 1;
else if (errno == ENOENT) {
rv = 0;
errno = 0;
} else
else
rv = -errno;
return (rv);
}
@ -266,6 +263,11 @@ efi_get_next_variable_name(efi_guid_t **guid, char **name)
/* XXX The linux interface expects name to be a static buffer -- fix or leak memory? */
done:
if (errno == ENOENT) {
errno = 0;
return 0;
}
return (rv_to_linux_rv(rv));
}