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| author | Roland McGrath <roland@redhat.com> | 2011-03-08 16:26:02 -0800 |
|---|---|---|
| committer | Roland McGrath <roland@redhat.com> | 2011-03-08 16:26:02 -0800 |
| commit | e07da4f30d2fabc6e2d4a4bfcc05e02091c99f0a (patch) | |
| tree | 0f6cd965a374cee426ec9c717b17611ce96e4589 /libdwfl | |
| parent | 4894221f67d2267f9d701366f257dc2ff44a24c3 (diff) | |
| download | elfutils-e07da4f30d2fabc6e2d4a4bfcc05e02091c99f0a.tar.gz | |
libdwfl: Clear errno before using its ambient value.
Diffstat (limited to 'libdwfl')
| -rw-r--r-- | libdwfl/ChangeLog | 5 | ||||
| -rw-r--r-- | libdwfl/dwfl_module_getdwarf.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog index 0cbeb850..3edc11be 100644 --- a/libdwfl/ChangeLog +++ b/libdwfl/ChangeLog @@ -1,3 +1,8 @@ +2011-03-08 Roland McGrath <roland@redhat.com> + + * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL. + Reported by Kurt Roeckx <kurt@roeckx.be>. + 2011-02-11 Roland McGrath <roland@redhat.com> * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz diff --git a/libdwfl/dwfl_module_getdwarf.c b/libdwfl/dwfl_module_getdwarf.c index dbb1d604..9c677131 100644 --- a/libdwfl/dwfl_module_getdwarf.c +++ b/libdwfl/dwfl_module_getdwarf.c @@ -61,6 +61,10 @@ open_elf (Dwfl_Module *mod, struct dwfl_file *file) { if (file->elf == NULL) { + /* CBFAIL uses errno if it's set, so clear it first in case we don't + set it with an open failure below. */ + errno = 0; + /* If there was a pre-primed file name left that the callback left behind, try to open that file name. */ if (file->fd < 0 && file->name != NULL) |