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| author | David Woodhouse | 2006-08-31 00:30:38 +0200 |
|---|---|---|
| committer | David Woodhouse | 2006-08-31 00:30:38 +0200 |
| commit | 0a7d5f8ce960e74fa22986bda4af488539796e49 (patch) | |
| tree | e29ad17808a5c3410518e22dae8dfe94801b59f3 /kernel/resource.c | |
| parent | MTD: Add lock/unlock operations for Atmel AT49BV6416 (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6 (diff) | |
| download | kernel-qcow2-linux-0a7d5f8ce960e74fa22986bda4af488539796e49.tar.gz kernel-qcow2-linux-0a7d5f8ce960e74fa22986bda4af488539796e49.tar.xz kernel-qcow2-linux-0a7d5f8ce960e74fa22986bda4af488539796e49.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/resource.c')
| -rw-r--r-- | kernel/resource.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/resource.c b/kernel/resource.c index 129cf046e561..46286434af80 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -244,6 +244,7 @@ int find_next_system_ram(struct resource *res) start = res->start; end = res->end; + BUG_ON(start >= end); read_lock(&resource_lock); for (p = iomem_resource.child; p ; p = p->sibling) { @@ -254,15 +255,17 @@ int find_next_system_ram(struct resource *res) p = NULL; break; } - if (p->start >= start) + if ((p->end >= start) && (p->start < end)) break; } read_unlock(&resource_lock); if (!p) return -1; /* copy data */ - res->start = p->start; - res->end = p->end; + if (res->start < p->start) + res->start = p->start; + if (res->end > p->end) + res->end = p->end; return 0; } #endif @@ -404,8 +407,6 @@ int insert_resource(struct resource *parent, struct resource *new) return result; } -EXPORT_SYMBOL(insert_resource); - /* * Given an existing resource, change its start and size to match the * arguments. Returns -EBUSY if it can't fit. Existing children of |