File crash-compressed-booted-kernel.patch of Package crash.20171

From: Petr Tesarik <ptesarik@suse.cz>
Subject: Automatically detect compressed booted kernel
References: bnc#777516, bnc#828260
Upstream: not yet

Signed-off-by: Petr Tesarik <ptesarik@suse.cz>

---
 filesys.c |   26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

Index: crash-7.2.7/filesys.c
===================================================================
--- crash-7.2.7.orig/filesys.c
+++ crash-7.2.7/filesys.c
@@ -581,6 +581,7 @@ static int
 find_booted_kernel(void)
 {
 	char kernel[BUFSIZE];
+	char *real_kernel;
 	char buffer[BUFSIZE];
 	char **searchdirs;
 	int i, preferred, wrapped;
@@ -630,16 +631,24 @@ find_booted_kernel(void)
 			sprintf(kernel, "%s%s", searchdirs[i], dp->d_name);
 
 			if (mount_point(kernel) ||
-			    !file_readable(kernel) || 
-                            !is_kernel(kernel))
+			    !file_readable(kernel))
 				continue;
 
+			if (!is_compressed_kernel(kernel, &real_kernel))
+				real_kernel = kernel;
+
 			if (CRASHDEBUG(1)) 
 				fprintf(fp, "find_booted_kernel: check: %s\n", 
 					kernel);
 
-			found = match_file_string(kernel, kt->proc_version, buffer);
-	
+			if (!is_kernel(real_kernel)) {
+				if (real_kernel != kernel)
+					free(real_kernel);
+				continue;
+			}
+
+			found = match_file_string(real_kernel, kt->proc_version, buffer);
+
 			if (found)
 				break;
 	        }
@@ -659,10 +668,19 @@ find_booted_kernel(void)
 			if (CRASHDEBUG(1))
 				fprintf(fp, "find_booted_kernel: found: %s\n", 
 					pc->namelist);
+			if (real_kernel != kernel) {
+				pc->namelist_orig = pc->namelist;
+				pc->namelist = real_kernel;
+			}
                         return TRUE;
                 }
 	}
 
+	if (real_kernel != kernel) {
+		remove(real_kernel);
+		free(real_kernel);
+	}
+
 	error(INFO, 
              "cannot find booted kernel -- please enter namelist argument\n\n");
 	return FALSE;