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btrfs: kmap() can't fail

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Remove NULL test on kmap() as it will always return a valid pointer.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Fabian Frederick 2017-04-25 20:11:02 +02:00 committed by David Sterba
parent 41f1830f5a
commit 977ec79271
1 changed files with 1 additions and 7 deletions
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8
fs/btrfs/check-integrity.c
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@ -1668,14 +1668,8 @@ static int btrfsic_read_block(struct btrfsic_state *state,
dev_bytenr += (j - i) * PAGE_SIZE;
i = j;
}
for (i = 0; i < num_pages; i++) {
for (i = 0; i < num_pages; i++)
block_ctx->datav[i] = kmap(block_ctx->pagev[i]);
if (!block_ctx->datav[i]) {
pr_info("btrfsic: kmap() failed (dev %s)!\n",
block_ctx->dev->name);
return -1;
}
}
return block_ctx->len;
}