diff options
| author | jdike <jdike> | 2003-08-07 18:58:11 +0000 |
|---|---|---|
| committer | jdike <jdike> | 2003-08-07 18:58:11 +0000 |
| commit | bd830e90fb9a5e82f89d15122137b260d5b5e0c9 (patch) | |
| tree | 75b69a163bf5b6f3e6573dd2ffa32a1fb69322d8 | |
| parent | c1d2e936778ef9e36685cc1239a9abb086437d97 (diff) | |
| download | uml-history-bd830e90fb9a5e82f89d15122137b260d5b5e0c9.tar.gz | |
Improved the error message that you get if you specify a rediculously small
amount of memory.
| -rw-r--r-- | arch/um/kernel/mem_user.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/um/kernel/mem_user.c b/arch/um/kernel/mem_user.c index 8f1f011..cf17c0a 100644 --- a/arch/um/kernel/mem_user.c +++ b/arch/um/kernel/mem_user.c @@ -111,6 +111,11 @@ int setup_region(struct mem_region *region, void *entry) offset = 0; } + if(offset >= region->len){ + printf("%d bytes of physical memory is insufficient\n", + region->len); + exit(1); + } loc = mmap(start, region->len - offset, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, region->fd, offset); if(loc != start){ |