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| author | Suren A. Chilingaryan <csa@suren.me> | 2015-04-29 04:13:57 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2015-04-29 04:13:57 +0200 |
| commit | 0f8c3ffba654a5b05fa509f412c0b9d9de931c69 (patch) | |
| tree | 7c66f05ab6f57c00efb2df35a104b0da991d27db | |
| parent | bf466a54a10293067765bf767c572cbf09bcd170 (diff) | |
| download | pcitool-0f8c3ffba654a5b05fa509f412c0b9d9de931c69.tar.gz pcitool-0f8c3ffba654a5b05fa509f412c0b9d9de931c69.tar.bz2 pcitool-0f8c3ffba654a5b05fa509f412c0b9d9de931c69.tar.xz pcitool-0f8c3ffba654a5b05fa509f412c0b9d9de931c69.zip | |
Set error in exit status if no data returned by DMA engine
| -rw-r--r-- | pcitool/cli.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/pcitool/cli.c b/pcitool/cli.c index 5538ffa..b04107b 100644 --- a/pcitool/cli.c +++ b/pcitool/cli.c @@ -876,7 +876,7 @@ int ReadData(pcilib_t *handle, ACCESS_MODE mode, FLAGS flags, pcilib_dma_engine_ } if (bytes <= 0) { pcilib_warning("No data is returned by DMA engine"); - return 0; + return -1; } size = bytes; n = bytes / abs(access); @@ -2413,6 +2413,7 @@ int WaitIRQ(pcilib_t *handle, const pcilib_model_description_t *model_info, pcil int main(int argc, char **argv) { + int err = 0; int i; long itmp; size_t ztmp; @@ -3097,11 +3098,11 @@ int main(int argc, char **argv) { break; case MODE_READ: if (amode == ACCESS_DMA) { - ReadData(handle, amode, flags, dma, bar, start, size_set?size:0, access, endianess, timeout_set?timeout:(size_t)-1, ofile); + err = ReadData(handle, amode, flags, dma, bar, start, size_set?size:0, access, endianess, timeout_set?timeout:(size_t)-1, ofile); } else if (amode == ACCESS_CONFIG) { - ReadData(handle, amode, flags, dma, bar, addr?start:0, (addr||size_set)?size:(256/abs(access)), access, endianess, (size_t)-1, ofile); + err = ReadData(handle, amode, flags, dma, bar, addr?start:0, (addr||size_set)?size:(256/abs(access)), access, endianess, (size_t)-1, ofile); } else if (addr) { - ReadData(handle, amode, flags, dma, bar, start, size, access, endianess, (size_t)-1, ofile); + err = ReadData(handle, amode, flags, dma, bar, start, size, access, endianess, (size_t)-1, ofile); } else { Error("Address to read is not specified"); } @@ -3172,4 +3173,6 @@ int main(int argc, char **argv) { pcilib_close(handle); if (data != argv + optind) free(data); + + return err; } |