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authorIngo Molnar <mingo@kernel.org>2020-03-06 11:56:40 +0100
committerIngo Molnar <mingo@kernel.org>2020-03-06 11:56:40 +0100
commit1941011a8bd26f01f36f827d5ebc6469749485bb (patch)
tree841ae1b789ec642bad8782b2e2bf0eda8ac514db /net/wireless/ethtool.c
parentfdb64822443ec9fb8c3a74b598a74790ae8d2e22 (diff)
parentb95b4d5ef061806fde07a6a3255e6c07f4fed0d3 (diff)
Merge branch 'perf/urgent' into perf/core, to pick up the latest fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/wireless/ethtool.c')
-rw-r--r--net/wireless/ethtool.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c
index a9c0f368db5d..24e18405cdb4 100644
--- a/net/wireless/ethtool.c
+++ b/net/wireless/ethtool.c
@@ -7,9 +7,13 @@
void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct device *pdev = wiphy_dev(wdev->wiphy);
- strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
- sizeof(info->driver));
+ if (pdev->driver)
+ strlcpy(info->driver, pdev->driver->name,
+ sizeof(info->driver));
+ else
+ strlcpy(info->driver, "N/A", sizeof(info->driver));
strlcpy(info->version, init_utsname()->release, sizeof(info->version));