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path: root/drivers/acpi/executer/exsystem.c
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Diffstat (limited to 'drivers/acpi/executer/exsystem.c')
-rw-r--r--drivers/acpi/executer/exsystem.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index 9460baff3032..b2edf620ba89 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -66,6 +66,7 @@ ACPI_MODULE_NAME("exsystem")
66acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) 66acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
67{ 67{
68 acpi_status status; 68 acpi_status status;
69 acpi_status status2;
69 70
70 ACPI_FUNCTION_TRACE(ex_system_wait_semaphore); 71 ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
71 72
@@ -78,7 +79,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
78 79
79 /* We must wait, so unlock the interpreter */ 80 /* We must wait, so unlock the interpreter */
80 81
81 acpi_ex_relinquish_interpreter(); 82 acpi_ex_exit_interpreter();
82 83
83 status = acpi_os_wait_semaphore(semaphore, 1, timeout); 84 status = acpi_os_wait_semaphore(semaphore, 1, timeout);
84 85
@@ -88,7 +89,13 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
88 89
89 /* Reacquire the interpreter */ 90 /* Reacquire the interpreter */
90 91
91 acpi_ex_reacquire_interpreter(); 92 status2 = acpi_ex_enter_interpreter();
93 if (ACPI_FAILURE(status2)) {
94
95 /* Report fatal error, could not acquire interpreter */
96
97 return_ACPI_STATUS(status2);
98 }
92 } 99 }
93 100
94 return_ACPI_STATUS(status); 101 return_ACPI_STATUS(status);
@@ -112,6 +119,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
112acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) 119acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
113{ 120{
114 acpi_status status; 121 acpi_status status;
122 acpi_status status2;
115 123
116 ACPI_FUNCTION_TRACE(ex_system_wait_mutex); 124 ACPI_FUNCTION_TRACE(ex_system_wait_mutex);
117 125
@@ -124,7 +132,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
124 132
125 /* We must wait, so unlock the interpreter */ 133 /* We must wait, so unlock the interpreter */
126 134
127 acpi_ex_relinquish_interpreter(); 135 acpi_ex_exit_interpreter();
128 136
129 status = acpi_os_acquire_mutex(mutex, timeout); 137 status = acpi_os_acquire_mutex(mutex, timeout);
130 138
@@ -134,7 +142,13 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
134 142
135 /* Reacquire the interpreter */ 143 /* Reacquire the interpreter */
136 144
137 acpi_ex_reacquire_interpreter(); 145 status2 = acpi_ex_enter_interpreter();
146 if (ACPI_FAILURE(status2)) {
147
148 /* Report fatal error, could not acquire interpreter */
149
150 return_ACPI_STATUS(status2);
151 }
138 } 152 }
139 153
140 return_ACPI_STATUS(status); 154 return_ACPI_STATUS(status);
@@ -195,18 +209,20 @@ acpi_status acpi_ex_system_do_stall(u32 how_long)
195 209
196acpi_status acpi_ex_system_do_suspend(acpi_integer how_long) 210acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
197{ 211{
212 acpi_status status;
213
198 ACPI_FUNCTION_ENTRY(); 214 ACPI_FUNCTION_ENTRY();
199 215
200 /* Since this thread will sleep, we must release the interpreter */ 216 /* Since this thread will sleep, we must release the interpreter */
201 217
202 acpi_ex_relinquish_interpreter(); 218 acpi_ex_exit_interpreter();
203 219
204 acpi_os_sleep(how_long); 220 acpi_os_sleep(how_long);
205 221
206 /* And now we must get the interpreter again */ 222 /* And now we must get the interpreter again */
207 223
208 acpi_ex_reacquire_interpreter(); 224 status = acpi_ex_enter_interpreter();
209 return (AE_OK); 225 return (status);
210} 226}
211 227
212/******************************************************************************* 228/*******************************************************************************