From f8a95b23a153377020cbe698f5306094ad58193c Mon Sep 17 00:00:00 2001 From: Andi Shyti Date: Thu, 3 Nov 2016 18:05:39 +0000 Subject: stmfts: exit in case of failure Signed-off-by: Andi Shyti --- stmfts.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/stmfts.c b/stmfts.c index 8933730..a60c8b8 100644 --- a/stmfts.c +++ b/stmfts.c @@ -44,10 +44,14 @@ int stmfts_read_event(int fd) while(1) { ret = read(fd, &sev.ev, sizeof(sev.ev)); - if (ret < 0) + if (ret < 0) { perror("unable to read from device"); - if (ret != sizeof(sev.ev)) + return -1; + } + if (ret != sizeof(sev.ev)) { error(0, EIO, "unable to read properly"); + return -1; + } switch(sev.ev.type) { case EV_SYN: @@ -169,12 +173,16 @@ int main(int argc, char *argv[]) } fd = stmfts_open_event(argv[1]); - if (fd < 0) + if (fd < 0) { error(0, ENODEV, "input event not found"); + return -1; + } fd = stmfts_read_event(fd); - if (fd) + if (fd) { fprintf(stderr, "something went wrong\n"); + return -1; + } return 0; } -- cgit v1.2.3