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kernel/memremap: Remove stale devres_free() call

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devm_memremap_pages() was re-worked in e8d513483300 "memremap: change
devm_memremap_pages interface to use struct dev_pagemap" to take a
caller allocated struct dev_pagemap as a function parameter. A call to
devres_free() was left in the error cleanup path which results in a
kernel panic if the remap fails for some reason. Remove it to fix the
panic and let devm_memremap_pages() fail gracefully.

Fixes: e8d513483300 ("memremap: change devm_memremap_pages interface...")
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Oliver O'Halloran 2018-03-06 15:56:47 +11:00 committed by Dan Williams
parent 661e50bc85
commit 167f5594b5
1 changed files with 0 additions and 1 deletions
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kernel/memremap.c
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@ -427,7 +427,6 @@ void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap)
err_pfn_remap:
err_radix:
pgmap_radix_release(res, pgoff);
devres_free(pgmap);
return ERR_PTR(error);
}
EXPORT_SYMBOL(devm_memremap_pages);