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[PULL,49/52] linux-user: Use DIV_ROUND_UP

Message ID 7841668a37c7193704c620e29ad7586ce3de95e6.1465112552.git.mjt@msgid.tls.msk.ru (mailing list archive)
State New, archived
Headers show

Commit Message

Michael Tokarev June 5, 2016, 7:43 a.m. UTC 
From: Laurent Vivier <lvivier@redhat.com>

Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).

This patch is the result of coccinelle script
scripts/coccinelle/round.cocci

CC: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 linux-user/syscall.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index df70255..96ec801 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -829,7 +829,7 @@  static inline abi_long copy_from_user_fdset(fd_set *fds,
     int i, nw, j, k;
     abi_ulong b, *target_fds;
 
-    nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
+    nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
     if (!(target_fds = lock_user(VERIFY_READ,
                                  target_fds_addr,
                                  sizeof(abi_ulong) * nw,
@@ -876,7 +876,7 @@  static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
     abi_long v;
     abi_ulong *target_fds;
 
-    nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
+    nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
     if (!(target_fds = lock_user(VERIFY_WRITE,
                                  target_fds_addr,
                                  sizeof(abi_ulong) * nw,