drm/amdkfd: Fix error handling in svm_range_add

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Add null-pointer check after the last svm_range_new call. This was
originally reported by Zhou Qingyang <zhou1615@umn.edu> based on a
static analyzer.

To avoid duplicating the unwinding code from svm_range_handle_overlap,
I merged the two functions into one.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Zhou Qingyang <zhou1615@umn.edu>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Felix Kuehling 2021-12-07 20:23:14 -05:00 • committed by Alex Deucher

parent 0771c80591

commit 726be40607

1 changed files with 49 additions and 89 deletions

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138

drivers/gpu/drm/amd/amdkfd/kfd_svm.c

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