diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-07-02 15:14:51 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-07-05 16:01:03 +0200 |
| commit | d91d50f638748fb3fbcd796180c44a33e61fb731 (patch) | |
| tree | 23ecae66cf6a38008569bc9428843a41f37f2cf6 /c/src/lib/libbsp/powerpc/mpc55xxevb | |
| parent | bsp/mpc55xx: Round PLL divider up (diff) | |
| download | rtems-d91d50f638748fb3fbcd796180c44a33e61fb731.tar.bz2 | |
bsp/mpc55xx: Avoid integer overflow
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc55xxevb')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/startup/get-system-clock.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/get-system-clock.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/get-system-clock.c index bd4c769841..f0db8728a3 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/get-system-clock.c +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/get-system-clock.c @@ -63,8 +63,8 @@ uint32_t mpc55xx_get_system_clock(void) uint32_t emfd = esyncr1.B.EMFD; uint32_t erfd = esyncr2.B.ERFD; - system_clock = (reference_clock * (emfd + 16)) - / ((erfd + 1) * (eprediv + 1)); + system_clock = ((reference_clock / (eprediv + 1)) * (emfd + 16)) + / (erfd + 1); } else { system_clock = reference_clock; } |