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| author | Philip Balister <philip@balister.org> | 2010-05-07 19:23:58 +0000 |
|---|---|---|
| committer | root <root@usrp1-e.lan> | 2010-05-07 19:25:42 +0000 |
| commit | b47920906bd1b0480bbcd8427b2d703889cb78e3 (patch) | |
| tree | 42b01435ff59407af1fe0684b30414355637cf21 /host/apps/omap_debug/usrp-e-debug-pins.c | |
| parent | 272b08ce9a66b3ba1b9dc91922afff410145231f (diff) | |
| download | uhd-b47920906bd1b0480bbcd8427b2d703889cb78e3.tar.gz uhd-b47920906bd1b0480bbcd8427b2d703889cb78e3.tar.bz2 uhd-b47920906bd1b0480bbcd8427b2d703889cb78e3.zip | |
Print an error and exit if open fails for some programs.
Diffstat (limited to 'host/apps/omap_debug/usrp-e-debug-pins.c')
| -rw-r--r-- | host/apps/omap_debug/usrp-e-debug-pins.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/host/apps/omap_debug/usrp-e-debug-pins.c b/host/apps/omap_debug/usrp-e-debug-pins.c index d4e3f5223..d18bbf990 100644 --- a/host/apps/omap_debug/usrp-e-debug-pins.c +++ b/host/apps/omap_debug/usrp-e-debug-pins.c @@ -46,6 +46,10 @@ int main(int argc, char *argv[]) fp = open("/dev/usrp_e0", O_RDWR); printf("fp = %d\n", fp); + if (fp < 0) { + perror("Open failed"); + return -1; + } if (strcmp(argv[1], "0") == 0) { printf("Selected 0 based on %s\n", argv[1]); |