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When an AP interface is already beaconing, a subsequent scan is not allowed unless the user space explicitly sets the flag NL80211_SCAN_FLAG_AP in the scan request. If this flag is not set, the scan request will be returned with the error code -EOPNOTSUPP. However, this restriction currently applies only to non-ML interfaces. For ML interfaces, scans are allowed without this flag being explicitly set by the user space which is wrong. This is because the beaconing check currently uses only the deflink, which does not get set during MLO. Hence to fix this, during MLO, use the existing helper ieee80211_num_beaconing_links() to know if any of the link is beaconing. Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com> Link: https://patch.msgid.link/20250516-bug_fix_mlo_scan-v2-1-12e59d9110ac@oss.qualcomm.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.