libxc: use xc_dom_panic when decompressor is not supported

State explicitly that specific decompressor is not supported by libxc.
Without this change, libxc error message only says the provided kernel
is invalid, which is misleading.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: svenvan.van@gmail.com
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/tools/libxc/xc_dom_bzimageloader.c b/tools/libxc/xc_dom_bzimageloader.c
index 964ebdc64a11594907263e87ed6a59a0f4d7f802..3bb17dd32d6587c8884c96be25533b6f77a53fc4 100644 (file)
--- a/tools/libxc/xc_dom_bzimageloader.c
+++ b/tools/libxc/xc_dom_bzimageloader.c
@@ -185,8 +185,9 @@ static int xc_try_bzip2_decode(
 static int xc_try_bzip2_decode(
     struct xc_dom_image *dom, void **blob, size_t *size)
 {
-    DOMPRINTF("%s: BZIP2 decompress support unavailable",
-              __FUNCTION__);
+    xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
+                 "%s: BZIP2 decompress support unavailable",
+                 __FUNCTION__);
     return -1;
 }
 
@@ -367,16 +368,18 @@ static int xc_try_lzma_decode(
 static int xc_try_xz_decode(
     struct xc_dom_image *dom, void **blob, size_t *size)
 {
-    DOMPRINTF("%s: XZ decompress support unavailable",
-              __FUNCTION__);
+    xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
+                 "%s: XZ decompress support unavailable",
+                 __FUNCTION__);
     return -1;
 }
 
 static int xc_try_lzma_decode(
     struct xc_dom_image *dom, void **blob, size_t *size)
 {
-    DOMPRINTF("%s: LZMA decompress support unavailable",
-              __FUNCTION__);
+    xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
+                 "%s: LZMA decompress support unavailable",
+                 __FUNCTION__);
     return -1;
 }
 
@@ -577,8 +580,9 @@ static int xc_try_lzo1x_decode(
 static int xc_try_lzo1x_decode(
     struct xc_dom_image *dom, void **blob, size_t *size)
 {
-    DOMPRINTF("%s: LZO1x decompress support unavailable\n",
-                  __FUNCTION__);
+    xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
+                 "%s: LZO1x decompress support unavailable\n",
+                 __FUNCTION__);
     return -1;
 }