From 9556ffb112656736d8918f236469de69a3cf6352 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 9 Aug 2013 15:37:35 +0400 Subject: [PATCH] kerndat: Produce sane error messgaes I've just occasionally tried to run criu on old openvz kernel and the error message was looking somehow strange to me | Error (kerndat.c:39): Can't stat piggie: No such file or directory Lets produce some more detailed error text. Signed-off-by: Cyrill Gorcunov Signed-off-by: Pavel Emelyanov --- kerndat.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kerndat.c b/kerndat.c index 4adfdeade..25050d875 100644 --- a/kerndat.c +++ b/kerndat.c @@ -28,7 +28,7 @@ static int kerndat_get_shmemdev(void) map = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0); if (map == MAP_FAILED) { - pr_perror("Can't mmap piggie"); + pr_perror("Can't mmap memory for shmemdev test"); return -1; } @@ -36,14 +36,14 @@ static int kerndat_get_shmemdev(void) (unsigned long)map, (unsigned long)map + PAGE_SIZE); if (stat(maps, &buf) < 0) { munmap(map, PAGE_SIZE); - pr_perror("Can't stat piggie"); + pr_perror("Can't stat self map_files"); return -1; } munmap(map, PAGE_SIZE); kerndat_shmem_dev = buf.st_dev; - pr_info("Found anon-shmem piggie at %"PRIx64"\n", kerndat_shmem_dev); + pr_info("Found anon-shmem device at %"PRIx64"\n", kerndat_shmem_dev); return 0; } @@ -64,7 +64,7 @@ int kerndat_get_dirty_track(void) map = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); if (map == MAP_FAILED) { - pr_perror("Can't mmap piggie2"); + pr_perror("Can't mmap memory for pagemap test"); return ret; }