tree fc129a92baf358352069a1ce015f787dd73a6923
parent c48377db9e745fe5169b58cf2812ff306c30057a
author zhaogang.0108 <zhaogang.0108@bytedance.com> 1703235220 +0000
committer zhaogang.0108 <zhaogang.0108@bytedance.com> 1703487041 +0000

bmcweb: Add nullptr check for weakptr

When we call a null weakptr, it will cause a crash.
Add nullptr check for weakptr can avoid this situation.

Tested:
bmcweb.service did not experience core-dump.

Change-Id: I4490d68c70ea5d43681f4fb18b3859afb01ed70a
Signed-off-by: Zhao Gang <zhaogang.0108@bytedance.com>