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| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-04-18 01:37:21 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2023-05-02 10:57:32 +0200 |
| commit | 76ce66408dfccb491114d721260717ae76795b4d (patch) | |
| tree | 625b7bc2dff9e8dcd8f6dd08817566b4da410ec5 /arch | |
| parent | b016fcf723c976ff50c4d4b0848c89cb06158c57 (diff) | |
| download | u-boot-76ce66408dfccb491114d721260717ae76795b4d.tar.gz | |
imx8mn: buffer overflow in low_drive_gpu_freq()
Avoid a buffer overflow if assigned-clock-rates has less than two elements.
Fixes: 98bcdf16356c ("imx8mn: Add low drive mode support for DDR4/LPDDR4 EVK")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/imx8m/soc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index df865e997d..20672ded96 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -914,6 +914,8 @@ static int low_drive_gpu_freq(void *blob) if (cnt != 7) printf("Warning: %s, assigned-clock-rates count %d\n", nodes_path_8mn[0], cnt); + if (cnt < 2) + return -1; assignedclks[cnt - 1] = 200000000; assignedclks[cnt - 2] = 200000000; |