| commit | cb5220b8c43765caa09341c8264a14088293ad53 | |
| author | Soren Brinkmann <soren.brinkmann@xilinx.com> | |
| Tue, 4 Sep 2012 12:57:01 +0000 (4 05:57 -0700) | ||
| committer | John Linn <john.linn@xilinx.com> | |
| Wed, 5 Sep 2012 21:46:48 +0000 (5 14:46 -0700) | ||
| tree | c9aacf6a73ee73136be9afd3cf6ff8f2132de762 | treesnapshot (tar.gz zip) |
| parent | 9f0d4cec2dc6f0c84c4bb4a5b4a8d98a466c9208 | commitdiff |
Xilinx: ARM: cpufreq: Fix potential NULL ptr dereference
If no OPPs exist, creating the freq_table fails. Error
handling in this case worked for the first core to
execute the cpufreq init routine. But a following core
would have unconditionally called
cpufreq_frequency_table_cpuinfo() causing a NULL pointer
dereference.
A corresponding fix for OMAP had been applied to mainline:
1b8652142334a8c0729c5c4536a22cfc6fc49297
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
If no OPPs exist, creating the freq_table fails. Error
handling in this case worked for the first core to
execute the cpufreq init routine. But a following core
would have unconditionally called
cpufreq_frequency_table_cpuinfo() causing a NULL pointer
dereference.
A corresponding fix for OMAP had been applied to mainline:
1b8652142334a8c0729c5c4536a22cfc6fc49297
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
| drivers/cpufreq/zynq-cpufreq.c | diffblobblamehistory |