diff options
Diffstat (limited to 'arch/arm26/kernel/traps.c')
-rw-r--r-- | arch/arm26/kernel/traps.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm26/kernel/traps.c b/arch/arm26/kernel/traps.c index 5847ea5d7747..a79de041b50e 100644 --- a/arch/arm26/kernel/traps.c +++ b/arch/arm26/kernel/traps.c | |||
@@ -34,7 +34,7 @@ | |||
34 | #include <asm/system.h> | 34 | #include <asm/system.h> |
35 | #include <asm/uaccess.h> | 35 | #include <asm/uaccess.h> |
36 | #include <asm/unistd.h> | 36 | #include <asm/unistd.h> |
37 | #include <asm/semaphore.h> | 37 | #include <linux/mutex.h> |
38 | 38 | ||
39 | #include "ptrace.h" | 39 | #include "ptrace.h" |
40 | 40 | ||
@@ -207,19 +207,19 @@ void die_if_kernel(const char *str, struct pt_regs *regs, int err) | |||
207 | die(str, regs, err); | 207 | die(str, regs, err); |
208 | } | 208 | } |
209 | 209 | ||
210 | static DECLARE_MUTEX(undef_sem); | 210 | static DEFINE_MUTEX(undef_mutex); |
211 | static int (*undef_hook)(struct pt_regs *); | 211 | static int (*undef_hook)(struct pt_regs *); |
212 | 212 | ||
213 | int request_undef_hook(int (*fn)(struct pt_regs *)) | 213 | int request_undef_hook(int (*fn)(struct pt_regs *)) |
214 | { | 214 | { |
215 | int ret = -EBUSY; | 215 | int ret = -EBUSY; |
216 | 216 | ||
217 | down(&undef_sem); | 217 | mutex_lock(&undef_mutex); |
218 | if (undef_hook == NULL) { | 218 | if (undef_hook == NULL) { |
219 | undef_hook = fn; | 219 | undef_hook = fn; |
220 | ret = 0; | 220 | ret = 0; |
221 | } | 221 | } |
222 | up(&undef_sem); | 222 | mutex_unlock(&undef_mutex); |
223 | 223 | ||
224 | return ret; | 224 | return ret; |
225 | } | 225 | } |
@@ -228,12 +228,12 @@ int release_undef_hook(int (*fn)(struct pt_regs *)) | |||
228 | { | 228 | { |
229 | int ret = -EINVAL; | 229 | int ret = -EINVAL; |
230 | 230 | ||
231 | down(&undef_sem); | 231 | mutex_lock(&undef_mutex); |
232 | if (undef_hook == fn) { | 232 | if (undef_hook == fn) { |
233 | undef_hook = NULL; | 233 | undef_hook = NULL; |
234 | ret = 0; | 234 | ret = 0; |
235 | } | 235 | } |
236 | up(&undef_sem); | 236 | mutex_unlock(&undef_mutex); |
237 | 237 | ||
238 | return ret; | 238 | return ret; |
239 | } | 239 | } |