partitions/efi.c: replace useless kzalloc's by kmalloc's
authorPhilippe De Muyter <phdm@macqel.be>
Mon, 29 Apr 2013 21:00:18 +0000 (23:00 +0200)
committerJens Axboe <axboe@kernel.dk>
Tue, 30 Apr 2013 06:34:25 +0000 (08:34 +0200)
In alloc_read_gpt_entries and alloc_read_gpt_header, the kzalloc'ated
zones are either totally overwritten by the following read_lba call,
or freed.  As kmalloc is cheaper than kzalloc, use kmalloc.

Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Cc: Panagiotis Issaris <takis@issaris.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/partitions/efi.c

index ff5804e2f1d2ffeb40d7d7446af9867e0b48bd03..c85fc895ecdbbeba25b624e1af909bfa61f3acc2 100644 (file)
@@ -238,7 +238,7 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,
                 le32_to_cpu(gpt->sizeof_partition_entry);
        if (!count)
                return NULL;
-       pte = kzalloc(count, GFP_KERNEL);
+       pte = kmalloc(count, GFP_KERNEL);
        if (!pte)
                return NULL;
 
@@ -267,7 +267,7 @@ static gpt_header *alloc_read_gpt_header(struct parsed_partitions *state,
        gpt_header *gpt;
        unsigned ssz = bdev_logical_block_size(state->bdev);
 
-       gpt = kzalloc(ssz, GFP_KERNEL);
+       gpt = kmalloc(ssz, GFP_KERNEL);
        if (!gpt)
                return NULL;