Re: [PATCH 1/8] misc: cxl: clean up afu_read_config()
On Mon, 2015-07-27 at 00:18 +0300, Vladimir Zapolskiy wrote: > The sanity checks for overflow are not needed, because this is done on > caller side in fs/sysfs/file.c > > Signed-off-by: Vladimir Zapolskiy > Cc: linuxppc-...@lists.ozlabs.org > Cc: Ian Munsie > Cc: Michael Neuling Acked-by: Michael Neuling > --- > drivers/misc/cxl/sysfs.c | 7 +-- > 1 file changed, 1 insertion(+), 6 deletions(-) > > diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c > index 31f38bc..87cd747 100644 > --- a/drivers/misc/cxl/sysfs.c > +++ b/drivers/misc/cxl/sysfs.c > @@ -443,12 +443,7 @@ static ssize_t afu_read_config(struct file *filp, struct > kobject *kobj, > struct afu_config_record *cr = to_cr(kobj); > struct cxl_afu *afu = to_cxl_afu(container_of(kobj->parent, struct > device, kobj)); > > - u64 i, j, val, size = afu->crs_len; > - > - if (off > size) > - return 0; > - if (off + count > size) > - count = size - off; > + u64 i, j, val; > > for (i = 0; i < count;) { > val = cxl_afu_cr_read64(afu, cr->cr, off & ~0x7); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/8] misc: cxl: clean up afu_read_config()
On Mon, 2015-07-27 at 00:18 +0300, Vladimir Zapolskiy wrote: The sanity checks for overflow are not needed, because this is done on caller side in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy v...@mleia.com Cc: linuxppc-...@lists.ozlabs.org Cc: Ian Munsie imun...@au1.ibm.com Cc: Michael Neuling mi...@neuling.org Acked-by: Michael Neuling mi...@neuling.org --- drivers/misc/cxl/sysfs.c | 7 +-- 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 31f38bc..87cd747 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -443,12 +443,7 @@ static ssize_t afu_read_config(struct file *filp, struct kobject *kobj, struct afu_config_record *cr = to_cr(kobj); struct cxl_afu *afu = to_cxl_afu(container_of(kobj-parent, struct device, kobj)); - u64 i, j, val, size = afu-crs_len; - - if (off size) - return 0; - if (off + count size) - count = size - off; + u64 i, j, val; for (i = 0; i count;) { val = cxl_afu_cr_read64(afu, cr-cr, off ~0x7); -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/8] misc: cxl: clean up afu_read_config()
Hi, Reviewed-by: Daniel Axtens FWIW, Ian is on leave for 2 weeks and Mikey for 1 week. However, as one of the other CXL developers I'm very happy for this patch to go in. Regards, Daniel On Mon, 2015-07-27 at 00:18 +0300, Vladimir Zapolskiy wrote: > The sanity checks for overflow are not needed, because this is done on > caller side in fs/sysfs/file.c > > Signed-off-by: Vladimir Zapolskiy > Cc: linuxppc-...@lists.ozlabs.org > Cc: Ian Munsie > Cc: Michael Neuling > --- > drivers/misc/cxl/sysfs.c | 7 +-- > 1 file changed, 1 insertion(+), 6 deletions(-) > > diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c > index 31f38bc..87cd747 100644 > --- a/drivers/misc/cxl/sysfs.c > +++ b/drivers/misc/cxl/sysfs.c > @@ -443,12 +443,7 @@ static ssize_t afu_read_config(struct file *filp, struct > kobject *kobj, > struct afu_config_record *cr = to_cr(kobj); > struct cxl_afu *afu = to_cxl_afu(container_of(kobj->parent, struct > device, kobj)); > > - u64 i, j, val, size = afu->crs_len; > - > - if (off > size) > - return 0; > - if (off + count > size) > - count = size - off; > + u64 i, j, val; > > for (i = 0; i < count;) { > val = cxl_afu_cr_read64(afu, cr->cr, off & ~0x7); signature.asc Description: This is a digitally signed message part
[PATCH 1/8] misc: cxl: clean up afu_read_config()
The sanity checks for overflow are not needed, because this is done on caller side in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy Cc: linuxppc-...@lists.ozlabs.org Cc: Ian Munsie Cc: Michael Neuling --- drivers/misc/cxl/sysfs.c | 7 +-- 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 31f38bc..87cd747 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -443,12 +443,7 @@ static ssize_t afu_read_config(struct file *filp, struct kobject *kobj, struct afu_config_record *cr = to_cr(kobj); struct cxl_afu *afu = to_cxl_afu(container_of(kobj->parent, struct device, kobj)); - u64 i, j, val, size = afu->crs_len; - - if (off > size) - return 0; - if (off + count > size) - count = size - off; + u64 i, j, val; for (i = 0; i < count;) { val = cxl_afu_cr_read64(afu, cr->cr, off & ~0x7); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/8] misc: cxl: clean up afu_read_config()
Hi, Reviewed-by: Daniel Axtens d...@axtens.net FWIW, Ian is on leave for 2 weeks and Mikey for 1 week. However, as one of the other CXL developers I'm very happy for this patch to go in. Regards, Daniel On Mon, 2015-07-27 at 00:18 +0300, Vladimir Zapolskiy wrote: The sanity checks for overflow are not needed, because this is done on caller side in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy v...@mleia.com Cc: linuxppc-...@lists.ozlabs.org Cc: Ian Munsie imun...@au1.ibm.com Cc: Michael Neuling mi...@neuling.org --- drivers/misc/cxl/sysfs.c | 7 +-- 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 31f38bc..87cd747 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -443,12 +443,7 @@ static ssize_t afu_read_config(struct file *filp, struct kobject *kobj, struct afu_config_record *cr = to_cr(kobj); struct cxl_afu *afu = to_cxl_afu(container_of(kobj-parent, struct device, kobj)); - u64 i, j, val, size = afu-crs_len; - - if (off size) - return 0; - if (off + count size) - count = size - off; + u64 i, j, val; for (i = 0; i count;) { val = cxl_afu_cr_read64(afu, cr-cr, off ~0x7); signature.asc Description: This is a digitally signed message part
[PATCH 1/8] misc: cxl: clean up afu_read_config()
The sanity checks for overflow are not needed, because this is done on caller side in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy v...@mleia.com Cc: linuxppc-...@lists.ozlabs.org Cc: Ian Munsie imun...@au1.ibm.com Cc: Michael Neuling mi...@neuling.org --- drivers/misc/cxl/sysfs.c | 7 +-- 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 31f38bc..87cd747 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -443,12 +443,7 @@ static ssize_t afu_read_config(struct file *filp, struct kobject *kobj, struct afu_config_record *cr = to_cr(kobj); struct cxl_afu *afu = to_cxl_afu(container_of(kobj-parent, struct device, kobj)); - u64 i, j, val, size = afu-crs_len; - - if (off size) - return 0; - if (off + count size) - count = size - off; + u64 i, j, val; for (i = 0; i count;) { val = cxl_afu_cr_read64(afu, cr-cr, off ~0x7); -- 2.1.4 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/