diff options
Diffstat (limited to 'tools/csr.c')
| -rw-r--r-- | tools/csr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/csr.c b/tools/csr.c index 698122dc..3f671740 100644 --- a/tools/csr.c +++ b/tools/csr.c @@ -2697,7 +2697,7 @@ int psr_read(const char *filename) } map = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0); - if (map == MAP_FAILED) { + if (!map || map == MAP_FAILED) { err = -errno; goto close; } |