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| author | Tim Yamin <plasmaroo@gentoo.org> | 2005-07-25 23:16:13 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-08-05 16:23:21 -0700 |
| commit | 4aad724d3e52238e1ce005f166fbba5b4072a7f6 (patch) | |
| tree | c313006c1e59a41914a96c0c0b5b2b557736a0a9 | |
| parent | 00a5dfdb93f74e4d95fb0d83c890728e331f8810 (diff) | |
| download | lwn-4aad724d3e52238e1ce005f166fbba5b4072a7f6.tar.gz lwn-4aad724d3e52238e1ce005f166fbba5b4072a7f6.zip | |
[PATCH] Update in-kernel zlib routines
These bugs have been fixed in the standard zlib for a while.
See for example
a) http://sources.redhat.com/ml/bug-gnu-utils/1999-06/msg00183.html
b) http://bugs.gentoo.org/show_bug.cgi?id=94584
Signed-off-by: Tim Yamin <plasmaroo@gentoo.org>
Signed-off-by: Tavis Ormandy <taviso@gentoo.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/ppc64/boot/zlib.c | 3 | ||||
| -rw-r--r-- | lib/inflate.c | 16 | ||||
| -rw-r--r-- | lib/zlib_inflate/inftrees.c | 2 |
3 files changed, 12 insertions, 9 deletions
diff --git a/arch/ppc64/boot/zlib.c b/arch/ppc64/boot/zlib.c index 9d5e4e9832d2..78837e884b8b 100644 --- a/arch/ppc64/boot/zlib.c +++ b/arch/ppc64/boot/zlib.c @@ -1307,7 +1307,7 @@ local int huft_build( { *t = (inflate_huft *)Z_NULL; *m = 0; - return Z_OK; + return Z_DATA_ERROR; } @@ -1351,6 +1351,7 @@ local int huft_build( if ((j = *p++) != 0) v[x[j]++] = i; } while (++i < n); + n = x[g]; /* set n to length of v */ /* Generate the Huffman codes and for each, make the table entries */ diff --git a/lib/inflate.c b/lib/inflate.c index 75e7d303c72e..6db6e98d1637 100644 --- a/lib/inflate.c +++ b/lib/inflate.c @@ -326,7 +326,7 @@ DEBG("huft1 "); { *t = (struct huft *)NULL; *m = 0; - return 0; + return 2; } DEBG("huft2 "); @@ -374,6 +374,7 @@ DEBG("huft5 "); if ((j = *p++) != 0) v[x[j]++] = i; } while (++i < n); + n = x[g]; /* set n to length of v */ DEBG("h6 "); @@ -410,12 +411,13 @@ DEBG1("1 "); DEBG1("2 "); f -= a + 1; /* deduct codes from patterns left */ xp = c + k; - while (++j < z) /* try smaller tables up to z bits */ - { - if ((f <<= 1) <= *++xp) - break; /* enough codes to use up j bits */ - f -= *xp; /* else deduct codes from patterns */ - } + if (j < z) + while (++j < z) /* try smaller tables up to z bits */ + { + if ((f <<= 1) <= *++xp) + break; /* enough codes to use up j bits */ + f -= *xp; /* else deduct codes from patterns */ + } } DEBG1("3 "); z = 1 << j; /* table entries for j-bit table */ diff --git a/lib/zlib_inflate/inftrees.c b/lib/zlib_inflate/inftrees.c index 874950ec4858..c5f66fbb0dd0 100644 --- a/lib/zlib_inflate/inftrees.c +++ b/lib/zlib_inflate/inftrees.c @@ -141,7 +141,7 @@ static int huft_build( { *t = NULL; *m = 0; - return Z_OK; + return Z_DATA_ERROR; } |