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spa: fix spa_api_method_null macro NULL checks

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What may be NULL in these methods is the pointer to the object
containing the spa_interface, not the interface pointer itself.

Fixes spa-acp-tool crashing with NULL deref in spa_i18n.
This commit is contained in:
Pauli Virtanen 2024-12-07 13:43:07 +02:00 • committed by Wim Taymans
parent 2d30ab94c2
commit 61f9018e15
3 changed files with 14 additions and 10 deletions
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16
spa/include/spa/utils/hook.h
View file

@ -285,20 +285,24 @@ struct spa_interface {
_res, method, version, ##__VA_ARGS__); \
_res; \
})
#define spa_api_method_null_v(type,o,method,version,...) \
#define spa_api_method_null_v(type,co,o,method,version,...) \
({ \
struct spa_interface *_i = o; \
if (SPA_LIKELY(_i != NULL)) \
struct type *_co = co; \
if (SPA_LIKELY(_co != NULL)) { \
struct spa_interface *_i = o; \
spa_interface_call(_i, struct type ##_methods, \
method, version, ##__VA_ARGS__); \
} \
})
#define spa_api_method_null_r(rtype,def,type,o,method,version,...) \
#define spa_api_method_null_r(rtype,def,type,co,o,method,version,...) \
({ \
rtype _res = def; \
struct spa_interface *_i = o; \
if (SPA_LIKELY(_i != NULL)) \
struct type *_co = co; \
if (SPA_LIKELY(_co != NULL)) { \
struct spa_interface *_i = o; \
spa_interface_call_res(_i, struct type ##_methods, \
_res, method, version, ##__VA_ARGS__); \
} \
_res; \
})
#define spa_api_method_fast_v(type,o,method,version,...) \