From: Dongliang Ma <mdl13412 at gmail.com>
This patch fixed the invalid shmat() return value test method.
Signed-off-by: Dongliang Ma <mdl13412 at gmail.com>
---
usr/log.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/usr/log.c b/usr/log.c
index 2f0c4d4..24a3af9 100644
--- a/usr/log.c
+++ b/usr/log.c
@@ -61,7 +61,7 @@ static int logarea_init (int size)
}
la = shmat(shmid, NULL, 0);
- if (!la) {
+ if (la == ((void *) -1)) {
syslog(LOG_ERR, "shmat logarea failed %d", errno);
return 1;
}
@@ -79,7 +79,7 @@ static int logarea_init (int size)
}
la->start = shmat(shmid, NULL, 0);
- if (!la->start) {
+ if (la->start == ((void *) -1)) {
syslog(LOG_ERR, "shmat msg failed %d", errno);
shmdt(la);
return 1;
@@ -101,7 +101,7 @@ static int logarea_init (int size)
return 1;
}
la->buff = shmat(shmid, NULL, 0);
- if (!la->buff) {
+ if (la->buff == ((void *) -1)) {
syslog(LOG_ERR, "shmat logmsgfailed %d", errno);
shmdt(la->start);
shmdt(la);
--
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