summaryrefslogtreecommitdiff
path: root/lib/zlib_dfltcc
diff options
context:
space:
mode:
authorMikhail Zaslonko <zaslonko@linux.ibm.com>2023-01-26 14:14:24 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-02-02 22:50:08 -0800
commit0dbae46550363c88cf073aafc0e0b244b9f43555 (patch)
tree3b0d8cab349d3e7e3f16109baec420942ede3b67 /lib/zlib_dfltcc
parent195c5ad9d179dbea1c9026f2af5b3eb77f8205b3 (diff)
downloadlwn-0dbae46550363c88cf073aafc0e0b244b9f43555.tar.gz
lwn-0dbae46550363c88cf073aafc0e0b244b9f43555.zip
lib/zlib: fix DFLTCC ignoring flush modes when avail_in == 0
This commit is based on: https://github.com/zlib-ng/zlib-ng/commit/40acb3f Link: https://lkml.kernel.org/r/20230126131428.1222214-5-zaslonko@linux.ibm.com Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com> Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/zlib_dfltcc')
-rw-r--r--lib/zlib_dfltcc/dfltcc_deflate.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/zlib_dfltcc/dfltcc_deflate.c b/lib/zlib_dfltcc/dfltcc_deflate.c
index dc85ec890163..211d344710d5 100644
--- a/lib/zlib_dfltcc/dfltcc_deflate.c
+++ b/lib/zlib_dfltcc/dfltcc_deflate.c
@@ -142,7 +142,8 @@ again:
/* Clear history. */
if (flush == Z_FULL_FLUSH)
param->hl = 0;
- *result = need_more;
+ /* Trigger block post-processing if necessary. */
+ *result = no_flush ? need_more : block_done;
return 1;
}