Blame SOURCES/e8700eb-btt_check_bitmap-initialize-rc.patch

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btt_check_bitmap: initialize rc
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BZ: 
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commit e8700eb1656c84fa29ab0dbfb63db9b0aa0a17a5
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Author: Jeff Moyer <jmoyer@redhat.com>
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Date:   Fri Oct 20 11:52:21 2017 -0400
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    btt_check_bitmap: initialize rc
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    It may be possible that rc is never set before returning from
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    the function.  nfree would have to be zero, and the bitmap
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    would have to be full.  Fix it.
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    Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
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diff --git a/ndctl/check.c b/ndctl/check.c
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index 915bb9d..dafd6a8 100644
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--- a/ndctl/check.c
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+++ b/ndctl/check.c
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@@ -508,7 +508,7 @@ static int btt_check_bitmap(struct arena_info *a)
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 {
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 	unsigned long *bm;
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 	u32 i, btt_mapping;
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-	int rc;
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+	int rc = BTT_BITMAP_ERROR;
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 	bm = bitmap_alloc(a->internal_nlba);
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 	if (bm == NULL)
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@@ -521,7 +521,6 @@ static int btt_check_bitmap(struct arena_info *a)
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 			info(a->bttc,
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 				"arena %d: internal block %#x is referenced by two map entries\n",
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 				a->num, btt_mapping);
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-			rc = BTT_BITMAP_ERROR;
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 			goto out;
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 		}
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 		bitmap_set(bm, btt_mapping, 1);