MIPS: uaccess: Switch lock annotations to might_fault().

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h
index 290485a..f2f7c6c 100644 (file)
--- a/arch/mips/include/asm/checksum.h
+++ b/arch/mips/include/asm/checksum.h
@@ -40,7 +40,7 @@ static inline
 __wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len,
                                   __wsum sum, int *err_ptr)
 {
-       might_sleep();
+       might_fault();
        return __csum_partial_copy_user((__force void *)src, dst,
                                        len, sum, err_ptr);
 }
@@ -53,7 +53,7 @@ static inline
 __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len,
                             __wsum sum, int *err_ptr)
 {
-       might_sleep();
+       might_fault();
        if (access_ok(VERIFY_WRITE, dst, len))
                return __csum_partial_copy_user(src, (__force void *)dst,
                                                len, sum, err_ptr);

diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 5c08760..8de858f 100644 (file)
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -245,6 +245,7 @@ do {                                                                        \
        int __gu_err = -EFAULT;                                         \
        const __typeof__(*(ptr)) __user * __gu_ptr = (ptr);             \
                                                                        \
+       might_fault();                                                  \
        if (likely(access_ok(VERIFY_READ,  __gu_ptr, size)))            \
                __get_user_common((x), size, __gu_ptr);                 \
                                                                        \
@@ -334,6 +335,7 @@ do {                                                                        \
        __typeof__(*(ptr)) __pu_val = (x);                              \
        int __pu_err = -EFAULT;                                         \
                                                                        \
+       might_fault();                                                  \
        if (likely(access_ok(VERIFY_WRITE,  __pu_addr, size))) {        \
                switch (size) {                                         \
                case 1: __put_user_asm("sb", __pu_addr); break;         \
@@ -708,10 +710,10 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
        const void *__cu_from;                                          \
        long __cu_len;                                                  \
                                                                        \
-       might_sleep();                                                  \
        __cu_to = (to);                                                 \
        __cu_from = (from);                                             \
        __cu_len = (n);                                                 \
+       might_fault();                                                  \
        __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, __cu_len); \
        __cu_len;                                                       \
 })
@@ -764,13 +766,14 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
        const void *__cu_from;                                          \
        long __cu_len;                                                  \
                                                                        \
-       might_sleep();                                                  \
        __cu_to = (to);                                                 \
        __cu_from = (from);                                             \
        __cu_len = (n);                                                 \
-       if (access_ok(VERIFY_WRITE, __cu_to, __cu_len))                 \
+       if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) {               \
+               might_fault();                                          \
                __cu_len = __invoke_copy_to_user(__cu_to, __cu_from,    \
                                                 __cu_len);             \
+       }                                                               \
        __cu_len;                                                       \
 })
 
@@ -843,10 +846,10 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
        const void __user *__cu_from;                                   \
        long __cu_len;                                                  \
                                                                        \
-       might_sleep();                                                  \
        __cu_to = (to);                                                 \
        __cu_from = (from);                                             \
        __cu_len = (n);                                                 \
+       might_fault();                                                  \
        __cu_len = __invoke_copy_from_user(__cu_to, __cu_from,          \
                                           __cu_len);                   \
        __cu_len;                                                       \
@@ -874,13 +877,14 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
        const void __user *__cu_from;                                   \
        long __cu_len;                                                  \
                                                                        \
-       might_sleep();                                                  \
        __cu_to = (to);                                                 \
        __cu_from = (from);                                             \
        __cu_len = (n);                                                 \
-       if (access_ok(VERIFY_READ, __cu_from, __cu_len))                \
+       if (access_ok(VERIFY_READ, __cu_from, __cu_len)) {              \
+               might_fault();                                          \
                __cu_len = __invoke_copy_from_user(__cu_to, __cu_from,  \
                                                   __cu_len);           \
+       }                                                               \
        __cu_len;                                                       \
 })
 
@@ -890,10 +894,10 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
        const void __user *__cu_from;                                   \
        long __cu_len;                                                  \
                                                                        \
-       might_sleep();                                                  \
        __cu_to = (to);                                                 \
        __cu_from = (from);                                             \
        __cu_len = (n);                                                 \
+       might_fault();                                                  \
        __cu_len = __invoke_copy_from_user(__cu_to, __cu_from,          \
                                           __cu_len);                   \
        __cu_len;                                                       \
@@ -905,14 +909,15 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
        const void __user *__cu_from;                                   \
        long __cu_len;                                                  \
                                                                        \
-       might_sleep();                                                  \
        __cu_to = (to);                                                 \
        __cu_from = (from);                                             \
        __cu_len = (n);                                                 \
        if (likely(access_ok(VERIFY_READ, __cu_from, __cu_len) &&       \
-                  access_ok(VERIFY_WRITE, __cu_to, __cu_len)))         \
+                  access_ok(VERIFY_WRITE, __cu_to, __cu_len))) {       \
+               might_fault();                                          \
                __cu_len = __invoke_copy_from_user(__cu_to, __cu_from,  \
                                                   __cu_len);           \
+       }                                                               \
        __cu_len;                                                       \
 })
 
@@ -932,7 +937,7 @@ __clear_user(void __user *addr, __kernel_size_t size)
 {
        __kernel_size_t res;
 
-       might_sleep();
+       might_fault();
        __asm__ __volatile__(
                "move\t$4, %1\n\t"
                "move\t$5, $0\n\t"
@@ -981,7 +986,7 @@ __strncpy_from_user(char *__to, const char __user *__from, long __len)
 {
        long res;
 
-       might_sleep();
+       might_fault();
        __asm__ __volatile__(
                "move\t$4, %1\n\t"
                "move\t$5, %2\n\t"
@@ -1018,7 +1023,7 @@ strncpy_from_user(char *__to, const char __user *__from, long __len)
 {
        long res;
 
-       might_sleep();
+       might_fault();
        __asm__ __volatile__(
                "move\t$4, %1\n\t"
                "move\t$5, %2\n\t"
@@ -1037,7 +1042,7 @@ static inline long __strlen_user(const char __user *s)
 {
        long res;
 
-       might_sleep();
+       might_fault();
        __asm__ __volatile__(
                "move\t$4, %1\n\t"
                __MODULE_JAL(__strlen_user_nocheck_asm)
@@ -1067,7 +1072,7 @@ static inline long strlen_user(const char __user *s)
 {
        long res;
 
-       might_sleep();
+       might_fault();
        __asm__ __volatile__(
                "move\t$4, %1\n\t"
                __MODULE_JAL(__strlen_user_asm)
@@ -1084,7 +1089,7 @@ static inline long __strnlen_user(const char __user *s, long n)
 {
        long res;
 
-       might_sleep();
+       might_fault();
        __asm__ __volatile__(
                "move\t$4, %1\n\t"
                "move\t$5, %2\n\t"
@@ -1115,7 +1120,7 @@ static inline long strnlen_user(const char __user *s, long n)
 {
        long res;
 
-       might_sleep();
+       might_fault();
        __asm__ __volatile__(
                "move\t$4, %1\n\t"
                "move\t$5, %2\n\t"