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omap iommu: Fix Memory leak

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The memory allocated for sgt structure is not freed on error
when sg_alloc_table is called in sgtable_alloc().

Signed-off-by: Satish Kumar <x0124230@ti.com>
Signed-off-by: Manjunatha GK <manjugk@ti.com>
Cc: Vimal Singh <vimal.newwork@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgen <tony@atomide.com>
This commit is contained in:
Satish 2010-06-09 13:21:27 +03:00 committed by Tony Lindgren
parent 386f40c86d
commit 7f1225bd6e
1 changed files with 3 additions and 1 deletions
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4
arch/arm/plat-omap/iovmm.c
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@ -140,8 +140,10 @@ static struct sg_table *sgtable_alloc(const size_t bytes, u32 flags)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
err = sg_alloc_table(sgt, nr_entries, GFP_KERNEL); err = sg_alloc_table(sgt, nr_entries, GFP_KERNEL);
if (err) if (err) {
kfree(sgt);
return ERR_PTR(err); return ERR_PTR(err);
}
pr_debug("%s: sgt:%p(%d entries)\n", __func__, sgt, nr_entries); pr_debug("%s: sgt:%p(%d entries)\n", __func__, sgt, nr_entries);