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[PATCH] Fold select_bits_alloc/free into caller code.
Remove an unnecessary level of indirection in allocating and freeing select bits, as per the select_bits_alloc() and select_bits_free() functions. Both select.c and compat.c are updated. Signed-off-by: Vadim Lobanov <vlobanov@speakeasy.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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parent
e4a1f129f9
commit
68c3431ae2
1 changed files with 2 additions and 11 deletions
13
fs/compat.c
13
fs/compat.c
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@ -1639,15 +1639,6 @@ void compat_set_fd_set(unsigned long nr, compat_ulong_t __user *ufdset,
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* This is a virtual copy of sys_select from fs/select.c and probably
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* This is a virtual copy of sys_select from fs/select.c and probably
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* should be compared to it from time to time
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* should be compared to it from time to time
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*/
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*/
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static void *select_bits_alloc(int size)
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{
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return kmalloc(6 * size, GFP_KERNEL);
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}
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static void select_bits_free(void *bits, int size)
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{
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kfree(bits);
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}
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/*
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/*
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* We can actually return ERESTARTSYS instead of EINTR, but I'd
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* We can actually return ERESTARTSYS instead of EINTR, but I'd
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@ -1686,7 +1677,7 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp,
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*/
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*/
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ret = -ENOMEM;
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ret = -ENOMEM;
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size = FDS_BYTES(n);
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size = FDS_BYTES(n);
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bits = select_bits_alloc(size);
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bits = kmalloc(6 * size, GFP_KERNEL);
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if (!bits)
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if (!bits)
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goto out_nofds;
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goto out_nofds;
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fds.in = (unsigned long *) bits;
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fds.in = (unsigned long *) bits;
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@ -1720,7 +1711,7 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp,
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compat_set_fd_set(n, exp, fds.res_ex);
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compat_set_fd_set(n, exp, fds.res_ex);
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out:
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out:
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select_bits_free(bits, size);
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kfree(bits);
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out_nofds:
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out_nofds:
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return ret;
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return ret;
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}
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}
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