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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 <[email protected]>
Cc: Ian Munsie <[email protected]>
Acked-by: Michael Neuling <[email protected]>
Reviewed-by: Daniel Axtens <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Vladimir Zapolskiy 2015-07-27 00:18:46 +03:00 • committed by Greg Kroah-Hartman
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);