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authorToshi Kani <toshi.kani@hpe.com>2016-01-26 21:57:25 +0100
committerIngo Molnar <mingo@kernel.org>2016-01-30 09:49:58 +0100
commit9a975bee4b3945b271bcff18a520d4863c210f8b (patch)
tree959343e154bda576c7bcb061b50e9c3208811261 /drivers/rapidio/rio.c
parent782b86641e5d471e9eb1cf0072c012d2f758e568 (diff)
downloadop-kernel-dev-9a975bee4b3945b271bcff18a520d4863c210f8b.zip
op-kernel-dev-9a975bee4b3945b271bcff18a520d4863c210f8b.tar.gz
drivers: Initialize resource entry to zero
I/O resource descriptor, 'desc' in struct resource, needs to be initialized to zero by default. Some drivers call kmalloc() to allocate a resource entry, but do not initialize it to zero by memset(). Change these drivers to call kzalloc(), instead. Signed-off-by: Toshi Kani <toshi.kani@hpe.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Alexandre Bounine <alexandre.bounine@idt.com> Acked-by: Helge Deller <deller@gmx.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luis R. Rodriguez <mcgrof@suse.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Toshi Kani <toshi.kani@hp.com> Cc: linux-acpi@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-mm <linux-mm@kvack.org> Cc: linux-parisc@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-sh@vger.kernel.org Link: http://lkml.kernel.org/r/1453841853-11383-10-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/rapidio/rio.c')
-rw-r--r--drivers/rapidio/rio.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index d7b87c6..e220edc 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -117,7 +117,7 @@ int rio_request_inb_mbox(struct rio_mport *mport,
if (mport->ops->open_inb_mbox == NULL)
goto out;
- res = kmalloc(sizeof(struct resource), GFP_KERNEL);
+ res = kzalloc(sizeof(struct resource), GFP_KERNEL);
if (res) {
rio_init_mbox_res(res, mbox, mbox);
@@ -185,7 +185,7 @@ int rio_request_outb_mbox(struct rio_mport *mport,
if (mport->ops->open_outb_mbox == NULL)
goto out;
- res = kmalloc(sizeof(struct resource), GFP_KERNEL);
+ res = kzalloc(sizeof(struct resource), GFP_KERNEL);
if (res) {
rio_init_mbox_res(res, mbox, mbox);
@@ -285,7 +285,7 @@ int rio_request_inb_dbell(struct rio_mport *mport,
{
int rc = 0;
- struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL);
+ struct resource *res = kzalloc(sizeof(struct resource), GFP_KERNEL);
if (res) {
rio_init_dbell_res(res, start, end);
@@ -360,7 +360,7 @@ int rio_release_inb_dbell(struct rio_mport *mport, u16 start, u16 end)
struct resource *rio_request_outb_dbell(struct rio_dev *rdev, u16 start,
u16 end)
{
- struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL);
+ struct resource *res = kzalloc(sizeof(struct resource), GFP_KERNEL);
if (res) {
rio_init_dbell_res(res, start, end);
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