From: Alexander Shishkin alexander.shishkin@linux.intel.com
commit ce666be89a8a09c5924ff08fc32e119f974bdab6 upstream.
There are a few places in the driver that end up returning ENOTSUPP to the user, replace those with EINVAL.
Signed-off-by: Alexander Shishkin alexander.shishkin@linux.intel.com Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Fixes: ba82664c134ef ("intel_th: Add Memory Storage Unit driver") Cc: stable@vger.kernel.org # v4.4+ Link: https://lore.kernel.org/r/20200317062215.15598-6-alexander.shishkin@linux.in... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/hwtracing/intel_th/msu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index 3cdf85b..ecfe7a4 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -491,7 +491,7 @@ static int msc_configure(struct msc *msc) lockdep_assert_held(&msc->buf_mutex);
if (msc->mode > MSC_MODE_MULTI) - return -ENOTSUPP; + return -EINVAL;
if (msc->mode == MSC_MODE_MULTI) msc_buffer_clear_hw_header(msc); @@ -942,7 +942,7 @@ static int msc_buffer_alloc(struct msc *msc, unsigned long *nr_pages, } else if (msc->mode == MSC_MODE_MULTI) { ret = msc_buffer_multi_alloc(msc, nr_pages, nr_wins); } else { - ret = -ENOTSUPP; + ret = -EINVAL; }
if (!ret) { @@ -1165,7 +1165,7 @@ static ssize_t intel_th_msc_read(struct file *file, char __user *buf, if (ret >= 0) *ppos = iter->offset; } else { - ret = -ENOTSUPP; + ret = -EINVAL; }
put_count: