Without this we end up using the previous name of the compressor
in the loop in unpack_rootfs. For example we get errors like
"compression method gzip not configured" even when we have
CONFIG_DECOMPRESS_GZIP enabled.
Signed-off-by: Aneesh Kumar K.V <[email protected]>
---
lib/decompress.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/decompress.c b/lib/decompress.c
index 528ff932d8e4..62696dff5730 100644
--- a/lib/decompress.c
+++ b/lib/decompress.c
@@ -59,8 +59,11 @@ decompress_fn __init decompress_method(const unsigned char *inbuf, long len,
{
const struct compress_format *cf;
- if (len < 2)
+ if (len < 2) {
+ if (name)
+ *name = NULL;
return NULL; /* Need at least this much... */
+ }
pr_debug("Compressed data magic: %#.2x %#.2x\n", inbuf[0], inbuf[1]);
--
2.1.4