firmware: qcom: scm: Fix reserved memory cleanup on probe failure

of_reserved_mem_device_init() adds an entry to a global list with no
devres counterpart. If qcom_scm_probe() fails after the call the
assignment is never cleaned up. A probe retry would add a duplicate
entry, leaking the original one permanently.

Add an err_rmem label that calls of_reserved_mem_device_release() and
route all error paths after of_reserved_mem_device_init() through it.
of_reserved_mem_device_release() is safe to call unconditionally as it
simply walks an empty list when nothing was assigned.

Fixes: a33b2579c8d3 ("firmware: qcom: scm: add support for SHM bridge memory carveout")
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260724094939.613844-3-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

0 files changed, 0 insertions, 0 deletions