diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2020-03-17 09:22:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-25 10:06:11 +0300 |
| commit | 107845eae850c1baa5bfc921bc6d356c57cadb78 (patch) | |
| tree | b4e660e464e5f5674e4ca7cfed2ada54ae5d472e /drivers/hwtracing | |
| parent | 270ee2e10c5d974afd35ca8f7fbeb0fc0f9ffbcd (diff) | |
| download | linux-107845eae850c1baa5bfc921bc6d356c57cadb78.tar.xz | |
intel_th: Fix user-visible error codes
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.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/intel_th/msu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index 3cdf85b1ce4f..ecfe7a43c151 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: |