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misc: cxl: clean up afu_read_config()

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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 <vz@mleia.com>
Cc: Ian Munsie <imunsie@au1.ibm.com>
Acked-by: Michael Neuling <mikey@neuling.org>
Reviewed-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vladimir Zapolskiy 2015-07-27 00:18:46 +03:00 committed by Greg Kroah-Hartman
parent 594069bc3d
commit acb921a5a1
1 changed files with 1 additions and 6 deletions
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7
drivers/misc/cxl/sysfs.c
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@ -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);