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V4L/DVB (7137): tuner: return number of instances remaining after hybrid_tuner_release_state 

Assign the number of instances remaining as the return value of
hybrid_tuner_release_state, in case there is any extra cleanup that
the tuner driver needs to do after an instance has been destroyed.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2008-04-22 14:42:00 -03:00 committed by Mauro Carvalho Chehab
parent f9e315a16a
commit c1b4d92789
1 changed files with 6 additions and 2 deletions
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8
drivers/media/video/tuner-i2c.h
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@ -155,13 +155,17 @@ __fail: \
__ret; \
})
#define hybrid_tuner_release_state(state) do { \
#define hybrid_tuner_release_state(state) \
({ \
int __ret; \
state->i2c_props.count--; \
__ret = state->i2c_props.count; \
if (!state->i2c_props.count) { \
__tuner_info(state->i2c_props, "destroying instance\n");\
list_del(&state->hybrid_tuner_instance_list); \
kfree(state); \
} \
} while (0)
__ret; \
})
#endif /* __TUNER_I2C_H__ */