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resources: tidy __request_region() 

No functional change.  Just return NULL for kzalloc failure immediately,
rather than wrapping the whole function body in the body of an "if".

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Bjorn Helgaas 2008-10-15 22:05:14 -07:00 committed by Linus Torvalds
parent 923f7f6970
commit c26ec88ea8
1 changed files with 21 additions and 20 deletions
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5
kernel/resource.c
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@ -630,7 +630,9 @@ struct resource * __request_region(struct resource *parent,
{ {
struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
if (res) { if (!res)
return NULL;
res->name = name; res->name = name;
res->start = start; res->start = start;
res->end = start + n - 1; res->end = start + n - 1;
@ -656,7 +658,6 @@ struct resource * __request_region(struct resource *parent,
break; break;
} }
write_unlock(&resource_lock); write_unlock(&resource_lock);
}
return res; return res;
} }
EXPORT_SYMBOL(__request_region); EXPORT_SYMBOL(__request_region);