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Diffstat (limited to 'arch/mips/kernel/syscall.c')
-rw-r--r--arch/mips/kernel/syscall.c29
1 files changed, 2 insertions, 27 deletions
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index fe0d7980560..c25b2e7dcb7 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -129,31 +129,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
129 } 129 }
130} 130}
131 131
132/* common code for old and new mmaps */
133static inline unsigned long
134do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
135 unsigned long flags, unsigned long fd, unsigned long pgoff)
136{
137 unsigned long error = -EBADF;
138 struct file * file = NULL;
139
140 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
141 if (!(flags & MAP_ANONYMOUS)) {
142 file = fget(fd);
143 if (!file)
144 goto out;
145 }
146
147 down_write(&current->mm->mmap_sem);
148 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
149 up_write(&current->mm->mmap_sem);
150
151 if (file)
152 fput(file);
153out:
154 return error;
155}
156
157SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len, 132SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len,
158 unsigned long, prot, unsigned long, flags, unsigned long, 133 unsigned long, prot, unsigned long, flags, unsigned long,
159 fd, off_t, offset) 134 fd, off_t, offset)
@@ -164,7 +139,7 @@ SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len,
164 if (offset & ~PAGE_MASK) 139 if (offset & ~PAGE_MASK)
165 goto out; 140 goto out;
166 141
167 result = do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); 142 result = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
168 143
169out: 144out:
170 return result; 145 return result;
@@ -177,7 +152,7 @@ SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len,
177 if (pgoff & (~PAGE_MASK >> 12)) 152 if (pgoff & (~PAGE_MASK >> 12))
178 return -EINVAL; 153 return -EINVAL;
179 154
180 return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12)); 155 return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12));
181} 156}
182 157
183save_static_function(sys_fork); 158save_static_function(sys_fork);