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authorTobias Klauser <tklauser@distanz.ch>2010-05-14 14:58:05 +1000
committerHerbert Xu <herbert@gondor.apana.org.au>2010-05-14 14:58:05 +1000
commit5bdd5ded95b3188d58ba43ac801b8849cbea1b16 (patch)
tree43365aa1aead72399ab2f74730a2213a8ee150a4 /drivers/crypto/mv_cesa.c
parentedc774ed0c7d75e92b53105b386a5b0ce94d4525 (diff)
downloadlinux-linaro-stable-5bdd5ded95b3188d58ba43ac801b8849cbea1b16.tar.gz
crypto: mv_cesa - Use resource_size
Use the resource_size function instead of manually calculating the resource size. This reduces the chance of introducing off-by-one errors. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/mv_cesa.c')
-rw-r--r--drivers/crypto/mv_cesa.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 18a436cafc10..e095422b58dd 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -1023,7 +1023,7 @@ static int mv_probe(struct platform_device *pdev)
spin_lock_init(&cp->lock);
crypto_init_queue(&cp->queue, 50);
- cp->reg = ioremap(res->start, res->end - res->start + 1);
+ cp->reg = ioremap(res->start, resource_size(res));
if (!cp->reg) {
ret = -ENOMEM;
goto err;
@@ -1034,7 +1034,7 @@ static int mv_probe(struct platform_device *pdev)
ret = -ENXIO;
goto err_unmap_reg;
}
- cp->sram_size = res->end - res->start + 1;
+ cp->sram_size = resource_size(res);
cp->max_req_size = cp->sram_size - SRAM_CFG_SPACE;
cp->sram = ioremap(res->start, cp->sram_size);
if (!cp->sram) {