https://github.com/torvalds/linux
Revision 6c80c39d9a6986a566c30d797aae37bfb697eea3 authored by Johannes Berg on 22 September 2011, 21:59:04 UTC, committed by John W. Linville on 26 September 2011, 18:55:50 UTC
If iwl_scan_initiate() fails for any reason, priv->scan_request and priv->scan_vif are left dangling. This can lead to a crash later when iwl_bg_scan_completed() tries to run a pending scan request. In practice, this seems to be very rare due to the STATUS_SCANNING check earlier. That check, however, is wrong -- it should allow a scan to be queued when a reset/roc scan is going on. When a normal scan is already going on, a new one can't be issued by mac80211, so that code can be removed completely. I introduced this bug when adding off-channel support in commit 266af4c745952e9bebf687dd68af58df553cb59d. Cc: stable@kernel.org [3.0] Reported-by: Peng Yan <peng.yan@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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History 
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Tip revision: 6c80c39d9a6986a566c30d797aae37bfb697eea3 authored by Johannes Berg on 22 September 2011, 21:59:04 UTC
iwlagn: fix dangling scan request
iwlagn: fix dangling scan request
Tip revision: 6c80c39
| File | Mode | Size |
|---|---|---|
| alpha | ||
| arm | ||
| avr32 | ||
| blackfin | ||
| cris | ||
| frv | ||
| h8300 | ||
| ia64 | ||
| m32r | ||
| m68k | ||
| microblaze | ||
| mips | ||
| mn10300 | ||
| openrisc | ||
| parisc | ||
| powerpc | ||
| s390 | ||
| score | ||
| sh | ||
| sparc | ||
| tile | ||
| um | ||
| unicore32 | ||
| x86 | ||
| xtensa | ||
| .gitignore | -rw-r--r-- | 12 bytes |
| Kconfig | -rw-r--r-- | 4.8 KB |
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