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authorAsaf Vertz <asaf.vertz@tandemg.com>2014-12-14 03:49:47 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-01-27 09:55:28 -0200
commit3edd59abb0ad2142954eff6bb430a9020477f539 (patch)
treef00ddbb2d9f6aa17d33e58e9b09c0054b677b278 /drivers
parenta6c896c1b25d17e3098dbc295434925a04a5911e (diff)
[media] media: stb0899_drv: use time_after()
To be future-proof and for better readability the time comparisons are modified to use time_after() instead of plain, error-prone math. Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb-frontends/stb0899_drv.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/dvb-frontends/stb0899_drv.c b/drivers/media/dvb-frontends/stb0899_drv.c
index 19646fbb061d..c73899d3a53d 100644
--- a/drivers/media/dvb-frontends/stb0899_drv.c
+++ b/drivers/media/dvb-frontends/stb0899_drv.c
@@ -20,6 +20,7 @@
*/
#include <linux/init.h>
+#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -691,7 +692,7 @@ static int stb0899_wait_diseqc_fifo_empty(struct stb0899_state *state, int timeo
reg = stb0899_read_reg(state, STB0899_DISSTATUS);
if (!STB0899_GETFIELD(FIFOFULL, reg))
break;
- if ((jiffies - start) > timeout) {
+ if (time_after(jiffies, start + timeout)) {
dprintk(state->verbose, FE_ERROR, 1, "timed out !!");
return -ETIMEDOUT;
}
@@ -733,7 +734,7 @@ static int stb0899_wait_diseqc_rxidle(struct stb0899_state *state, int timeout)
while (!STB0899_GETFIELD(RXEND, reg)) {
reg = stb0899_read_reg(state, STB0899_DISRX_ST0);
- if (jiffies - start > timeout) {
+ if (time_after(jiffies, start + timeout)) {
dprintk(state->verbose, FE_ERROR, 1, "timed out!!");
return -ETIMEDOUT;
}
@@ -782,7 +783,7 @@ static int stb0899_wait_diseqc_txidle(struct stb0899_state *state, int timeout)
while (!STB0899_GETFIELD(TXIDLE, reg)) {
reg = stb0899_read_reg(state, STB0899_DISSTATUS);
- if (jiffies - start > timeout) {
+ if (time_after(jiffies, start + timeout)) {
dprintk(state->verbose, FE_ERROR, 1, "timed out!!");
return -ETIMEDOUT;
}

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