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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:38 +0000 |
| commit | 9db339b27f903add3e85b6448c6ca4681450c187 (patch) | |
| tree | 2e9f25d374e0b322841a7cabe8100b5b52c0e69d /drivers/acpi/acpica/dswstate.c | |
| parent | Adding upstream version 4.19.282. (diff) | |
| download | linux-9db339b27f903add3e85b6448c6ca4681450c187.tar.xz linux-9db339b27f903add3e85b6448c6ca4681450c187.zip | |
Adding upstream version 4.19.289.upstream/4.19.289
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/acpi/acpica/dswstate.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index c879380e5..ddafbf441 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -576,9 +576,14 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ds_init_aml_walk); walk_state->parser_state.aml = - walk_state->parser_state.aml_start = aml_start; - walk_state->parser_state.aml_end = - walk_state->parser_state.pkg_end = aml_start + aml_length; + walk_state->parser_state.aml_start = + walk_state->parser_state.aml_end = + walk_state->parser_state.pkg_end = aml_start; + /* Avoid undefined behavior: applying zero offset to null pointer */ + if (aml_length != 0) { + walk_state->parser_state.aml_end += aml_length; + walk_state->parser_state.pkg_end += aml_length; + } /* The next_op of the next_walk will be the beginning of the method */ |