CVE-2026-31439

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devm_regmap_init_mmio returns an ERR_PTR() upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERR_PTR() instead of the wrong value in ret.

References

• https://git.kernel.org/stable/c/4b6e1da50b22e5528b9003f376a3cecccce4decc
• https://git.kernel.org/stable/c/59f6ccd0f3345be2e8a78bdef2103e93f180633a
• https://git.kernel.org/stable/c/9787b3d9b908785b40bc3f2e6d7082fdb8fdd98a
• https://git.kernel.org/stable/c/e0adbf74e2a0455a6bc9628726ba87bcd0b42bf8
• https://git.kernel.org/stable/c/f27197ccfd2ecd2c71f27fd57c6d507e892ad24d