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| author | Andy Whitcroft <apw@canonical.com> | 2010-11-01 21:01:44 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-01 17:06:00 -0400 |
| commit | 020e773f6b2e797a13d23723773ed1b3ba2c35dc (patch) | |
| tree | d93471ca98f605e4e453405ad3f60ab35b8b0d96 /scripts | |
| parent | e99d11d19977c74b18411cdb59cdebb788237a6e (diff) | |
| download | lwn-020e773f6b2e797a13d23723773ed1b3ba2c35dc.tar.gz lwn-020e773f6b2e797a13d23723773ed1b3ba2c35dc.zip | |
kconfig: sym_expand_string_value: allow for string termination when reallocing
When expanding a parameterised string we may run out of space, this
triggers a realloc. When computing the new allocation size we do not
allow for the terminating '\0'. Allow for this when calculating the new
length.
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/kconfig/symbol.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index c0efe102d655..af6e9f3de950 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -875,7 +875,7 @@ const char *sym_expand_string_value(const char *in) symval = sym_get_string_value(sym); } - newlen = strlen(res) + strlen(symval) + strlen(src); + newlen = strlen(res) + strlen(symval) + strlen(src) + 1; if (newlen > reslen) { reslen = newlen; res = realloc(res, reslen); |