Commit-ID: 9a975bee4b3945b271bcff18a520d4863c210f8b Gitweb: http://git.kernel.org/tip/9a975bee4b3945b271bcff18a520d4863c210f8b Author: Toshi Kani <[email protected]> AuthorDate: Tue, 26 Jan 2016 21:57:25 +0100 Committer: Ingo Molnar <[email protected]> CommitDate: Sat, 30 Jan 2016 09:49:58 +0100
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 <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Acked-by: Alexandre Bounine <[email protected]> Acked-by: Helge Deller <[email protected]> Acked-by: Rafael J. Wysocki <[email protected]> Acked-by: Simon Horman <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Luis R. Rodriguez <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Toshi Kani <[email protected]> Cc: [email protected] Cc: [email protected] Cc: linux-mm <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- drivers/acpi/acpi_platform.c | 2 +- drivers/parisc/eisa_enumerator.c | 4 ++-- drivers/rapidio/rio.c | 8 ++++---- drivers/sh/superhyway/superhyway.c | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 296b7a1..b6f7fa3 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -62,7 +62,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) if (count < 0) { return NULL; } else if (count > 0) { - resources = kmalloc(count * sizeof(struct resource), + resources = kzalloc(count * sizeof(struct resource), GFP_KERNEL); if (!resources) { dev_err(&adev->dev, "No memory for resources\n"); diff --git a/drivers/parisc/eisa_enumerator.c b/drivers/parisc/eisa_enumerator.c index a656d9e..21905fe 100644 --- a/drivers/parisc/eisa_enumerator.c +++ b/drivers/parisc/eisa_enumerator.c @@ -91,7 +91,7 @@ static int configure_memory(const unsigned char *buf, for (i=0;i<HPEE_MEMORY_MAX_ENT;i++) { c = get_8(buf+len); - if (NULL != (res = kmalloc(sizeof(struct resource), GFP_KERNEL))) { + if (NULL != (res = kzalloc(sizeof(struct resource), GFP_KERNEL))) { int result; res->name = name; @@ -183,7 +183,7 @@ static int configure_port(const unsigned char *buf, struct resource *io_parent, for (i=0;i<HPEE_PORT_MAX_ENT;i++) { c = get_8(buf+len); - if (NULL != (res = kmalloc(sizeof(struct resource), GFP_KERNEL))) { + if (NULL != (res = kzalloc(sizeof(struct resource), GFP_KERNEL))) { res->name = board; res->start = get_16(buf+len+1); res->end = get_16(buf+len+1)+(c&HPEE_PORT_SIZE_MASK)+1; 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); diff --git a/drivers/sh/superhyway/superhyway.c b/drivers/sh/superhyway/superhyway.c index 2d9e7f3..bb1fb771 100644 --- a/drivers/sh/superhyway/superhyway.c +++ b/drivers/sh/superhyway/superhyway.c @@ -66,7 +66,7 @@ int superhyway_add_device(unsigned long base, struct superhyway_device *sdev, superhyway_read_vcr(dev, base, &dev->vcr); if (!dev->resource) { - dev->resource = kmalloc(sizeof(struct resource), GFP_KERNEL); + dev->resource = kzalloc(sizeof(struct resource), GFP_KERNEL); if (!dev->resource) { kfree(dev); return -ENOMEM;
