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author | 2009-12-14 09:16:49 +0100 | |
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committer | 2009-12-14 09:16:49 +0100 | |
commit | cc0104e877fff32865a67b256d3a9ce52ff15790 (patch) | |
tree | 18779442274e81607822ecb0905c55ac4ce6a163 /kernel/resource.c | |
parent | ksym_tracer: Fix bad cast (diff) | |
parent | Merge branch 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 (diff) | |
download | wireguard-linux-cc0104e877fff32865a67b256d3a9ce52ff15790.tar.xz wireguard-linux-cc0104e877fff32865a67b256d3a9ce52ff15790.zip |
Merge branch 'linus' into tracing/urgent
Conflicts:
kernel/trace/trace_kprobe.c
Merge reason: resolve the conflict.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/resource.c')
-rw-r--r-- | kernel/resource.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/kernel/resource.c b/kernel/resource.c index fb11a58b9594..dc15686b7a77 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -308,35 +308,37 @@ static int find_resource(struct resource *root, struct resource *new, void *alignf_data) { struct resource *this = root->child; + resource_size_t start, end; - new->start = root->start; + start = root->start; /* * Skip past an allocated resource that starts at 0, since the assignment * of this->start - 1 to new->end below would cause an underflow. */ if (this && this->start == 0) { - new->start = this->end + 1; + start = this->end + 1; this = this->sibling; } for(;;) { if (this) - new->end = this->start - 1; + end = this->start - 1; else - new->end = root->end; - if (new->start < min) - new->start = min; - if (new->end > max) - new->end = max; - new->start = ALIGN(new->start, align); + end = root->end; + if (start < min) + start = min; + if (end > max) + end = max; + start = ALIGN(start, align); if (alignf) alignf(alignf_data, new, size, align); - if (new->start < new->end && new->end - new->start >= size - 1) { - new->end = new->start + size - 1; + if (start < end && end - start >= size - 1) { + new->start = start; + new->end = start + size - 1; return 0; } if (!this) break; - new->start = this->end + 1; + start = this->end + 1; this = this->sibling; } return -EBUSY; |