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CVS commit: [netbsd-8] src/sys/dev/sdmmc



Module Name:    src
Committed By:   snj
Date:           Fri Jun  9 16:52:10 UTC 2017

Modified Files:
        src/sys/dev/sdmmc [netbsd-8]: ld_sdmmc.c

Log Message:
Pull up following revision(s) (requested by jmcneill in ticket #14):
        sys/dev/sdmmc/ld_sdmmc.c: revision 1.27
Fix a race between ld_sdmmc_start and ld_sdmmc_dobio that could result in
tasks getting lost from the task queue. The symptom of this is a NULL
deref in ld_sdmmc_start since the code assumes that a task will always be
available from the pool.
This changes the code to use pcq(9) instead of a TAILQ to manage the free
task list.


To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.26.4.1 src/sys/dev/sdmmc/ld_sdmmc.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.




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