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dircache: don't unpin invalid buflib handle when building volumes

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Buflib pinning was introduced here in 1718cf5.

If the device has to immediately shut down after booting
because of a low battery, the directory cache may be disabled
by the time core_unpin() is reached.

Its handle will have been reset to 0 in that case, triggering
a panic message due to an invalid buflib handle.

Change-Id: Ie34c3f7142d8406b66277ef185bc9ecf387d7295
This commit is contained in:
Christian Soffke 2024-03-24 03:42:53 +01:00
parent 34361c82f1
commit 53e7176196
1 changed files with 2 additions and 1 deletions
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3
firmware/common/dircache.c
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@ -1882,7 +1882,8 @@ static void build_volumes(void)
logf("Done, %ld KiB used", dircache.size / 1024);
core_unpin(dircache_runinfo.handle);
if (dircache_runinfo.handle > 0) /* dircache may have been disabled */
core_unpin(dircache_runinfo.handle);
}
/**