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staging: gasket: page table: return valid error code on map fail

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Return -EINVAL on mapping failures, instead of -1, which triggers a
checkpatch error.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Todd Poynor 2018-10-14 21:59:18 -07:00 committed by Greg Kroah-Hartman
parent 7fa3069dfc
commit b1004491c9
1 changed files with 2 additions and 3 deletions
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5
drivers/staging/gasket/gasket_page_table.c
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@ -514,13 +514,12 @@ static int gasket_perform_mapping(struct gasket_page_table *pg_tbl,
(void *)page_to_pfn(page),
(void *)page_to_phys(page));
/* clean up */
if (gasket_release_page(ptes[i].page))
--pg_tbl->num_active_pages;
memset(&ptes[i], 0,
sizeof(struct gasket_page_table_entry));
return -1;
return -EINVAL;
}
}
@ -1165,7 +1164,7 @@ fail:
*ppage = NULL;
*poffset = 0;
mutex_unlock(&pg_tbl->mutex);
return -1;
return -EINVAL;
}
/* See gasket_page_table.h for description. */