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libdriver: don't panic so easily

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This commit is contained in:
David van Moolenbroek 2010-07-07 11:04:33 +00:00
parent 1f8dbed029
commit 8182a9d972
1 changed files with 4 additions and 2 deletions
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6
lib/libdriver/driver.c
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@ -502,7 +502,8 @@ message *mp; /* pointer to read or write message */
if (OK != sys_safecopyfrom(mp->m_source, (vir_bytes) mp->IO_GRANT, if (OK != sys_safecopyfrom(mp->m_source, (vir_bytes) mp->IO_GRANT,
0, (vir_bytes) iovec, iovec_size, D)) { 0, (vir_bytes) iovec, iovec_size, D)) {
panic("bad I/O vector by: %d", mp->m_source); printf("bad I/O vector by: %d\n", mp->m_source);
return(EINVAL);
} }
/* Prepare for I/O. */ /* Prepare for I/O. */
@ -516,7 +517,8 @@ message *mp; /* pointer to read or write message */
/* Copy the I/O vector back to the caller. */ /* Copy the I/O vector back to the caller. */
if (OK != sys_safecopyto(mp->m_source, (vir_bytes) mp->IO_GRANT, if (OK != sys_safecopyto(mp->m_source, (vir_bytes) mp->IO_GRANT,
0, (vir_bytes) iovec, iovec_size, D)) { 0, (vir_bytes) iovec, iovec_size, D)) {
panic("couldn't return I/O vector: %d", mp->m_source); printf("couldn't return I/O vector: %d\n", mp->m_source);
return(EINVAL);
} }
return(r); return(r);