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authorVaibhav Jain <vaibhav@linux.vnet.ibm.com>2017-11-24 14:03:38 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2017-11-29 19:56:18 +1100
commit7e4d4233260be0611c7fbdb2730c12731c4b8dc0 (patch)
tree52eab6d31594903d88d7dd68f547d16bf873106c /sound/Makefile
parentaca7573fde95152378361cba734996b384f3b1d3 (diff)
powerpc: Do not assign thread.tidr if already assigned
If set_thread_tidr() is called twice for same task_struct then it will allocate a new tidr value to it leaving the previous value still dangling in the vas_thread_ida table. To fix this the patch changes set_thread_tidr() to check if a tidr value is already assigned to the task_struct and if yes then returns zero. Fixes: ec233ede4c86("powerpc: Add support for setting SPRN_TIDR") Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> [mpe: Modify to return 0 in the success case, not the TID value] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'sound/Makefile')
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