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| author | Jacob Garber <jgarber1@ualberta.ca> | 2019-07-26 15:20:47 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-07-30 09:55:55 +0000 |
| commit | 9f378d3b0395b2e7b5a8972cf69f1c6fdcabfe09 (patch) | |
| tree | 779f31f487ccdee8e4a51d13393f19161ae9a8bc /src/vendorcode/cavium | |
| parent | c1e9ba8c3d03cb3656237c0e126b35bea548d5cc (diff) | |
| download | coreboot-9f378d3b0395b2e7b5a8972cf69f1c6fdcabfe09.tar.xz | |
vc/cavium/bdk/libdram: Add array bounds check
Ensure that best_en_idx is within bounds before accessing the _en array.
Change-Id: Ifa6259e28875a8cf8199896bda7982370ccaa277
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Found-by: Coverity CID 1393971
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34593
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/vendorcode/cavium')
| -rw-r--r-- | src/vendorcode/cavium/bdk/libdram/lib_octeon_shared.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/bdk/libdram/lib_octeon_shared.c b/src/vendorcode/cavium/bdk/libdram/lib_octeon_shared.c index 7ee91c27c3..cb090f7da5 100644 --- a/src/vendorcode/cavium/bdk/libdram/lib_octeon_shared.c +++ b/src/vendorcode/cavium/bdk/libdram/lib_octeon_shared.c @@ -1141,6 +1141,11 @@ int initialize_ddr_clock(bdk_node_t node, override_pll_settings = 1; } + if (best_en_idx >= ARRAY_SIZE(_en)) { + error_print("ERROR: best_en_idx %u exceeds _en array size\n", best_en_idx); + return -1; + } + if (override_pll_settings) { best_pll_MHz = ddr_ref_hertz * (best_clkf+1) / (best_clkr+1) / 1000000; best_calculated_ddr_hertz = ddr_ref_hertz * (best_clkf + 1) / ((best_clkr + 1) * (_en[best_en_idx])); |