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| author | Vladimir Zapolskiy | 2015-07-26 23:18:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2015-08-05 22:53:39 +0200 |
| commit | acb921a5a1e5fb2b864be25caf7317531f91a832 (patch) | |
| tree | c9f0d9414a08489a5b94606712c6f01aaf5351c7 /drivers/misc | |
| parent | fs/char_dev.c: fix incorrect documentation for unregister_chrdev_region (diff) | |
| download | kernel-qcow2-linux-acb921a5a1e5fb2b864be25caf7317531f91a832.tar.gz kernel-qcow2-linux-acb921a5a1e5fb2b864be25caf7317531f91a832.tar.xz kernel-qcow2-linux-acb921a5a1e5fb2b864be25caf7317531f91a832.zip | |
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 <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>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/cxl/sysfs.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 31f38bc71a3d..87cd747bb511 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); |