kdump-linux-sucks-more-20040113

make it build on newer rhel

attempt to deal with hugemem kernel dumbness

diff --git a/src/venus/kdump.c b/src/venus/kdump.c
index eb52a65..9374742 100644 (file)
--- a/src/venus/kdump.c
+++ b/src/venus/kdump.c
@@ -17,10 +17,14 @@ RCSID
 #include <errno.h>
 #include <stdlib.h>            /* for malloc() */
 
+/* Here be hacks. */
 #ifdef AFS_LINUX24_ENV
 #define __KERNEL__
 #include <linux/string.h>
 #define _STRING_H 1
+#define _SYS_STATFS_H 1
+#define _BITS_SIGCONTEXT_H 1
+#undef USE_UCONTEXT
 #endif
 
 #include <string.h>
@@ -2314,17 +2318,20 @@ kread(int kmem, off_t loc, void *buf, KDUMP_SIZE_T len)
        perror("lseek");
        exit(1);
     }
-    if ((i = read(kmem, buf, len)) != len) {
-       printf("WARNING: Read failed: ");
-       if (sizeof(loc) > sizeof(long)) {
-           printf("loc=%llx", loc);
-       } else {
-           printf("loc=%lx", (long)loc);
+    if (loc == 0) 
+       printf("WARNING: Read failed: loc=0\n"); 
+    else
+       if ((i = read(kmem, buf, len)) != len) {
+           printf("WARNING: Read failed: ");
+           if (sizeof(loc) > sizeof(long)) {
+               printf("loc=%llx", loc);
+           } else {
+               printf("loc=%lx", (long)loc);
+           }
+           printf(", buf=%lx, len=%ld, i=%d, errno=%d\n", (long)buf,
+                  (long)len, i, errno);
+           return;                     /*exit(1); */
        }
-       printf(", buf=%lx, len=%ld, i=%d, errno=%d\n", (long)buf, (long)len,
-              i, errno);
-       return;                 /*exit(1); */
-    }
 #endif
 }
 #endif /* AFS_KDUMP_LIB */