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lib: make igt_debugfs_open infallible

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(Almost) no one cared anyway.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-03-12 19:00:48 +01:00
parent 096bb851f6
commit 803d07b2ff
3 changed files with 8 additions and 9 deletions
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13
lib/igt_debugfs.c
View File

@ -37,7 +37,7 @@
/*
* General debugfs helpers
*/
int igt_debugfs_init(igt_debugfs_t *debugfs)
void igt_debugfs_init(igt_debugfs_t *debugfs)
{
const char *path = "/sys/kernel/debug";
struct stat st;
@ -51,11 +51,9 @@ int igt_debugfs_init(igt_debugfs_t *debugfs)
if (stat("/sys/kernel/debug/dri", &st) == 0)
goto find_minor;
if (stat("/sys/kernel/debug", &st))
return errno;
igt_assert(stat("/sys/kernel/debug", &st) == 0);
if (mount("debug", "/sys/kernel/debug", "debugfs", 0, 0))
return errno;
igt_assert(mount("debug", "/sys/kernel/debug", "debugfs", 0, 0) == 0);
find_minor:
strcpy(debugfs->root, path);
@ -64,12 +62,13 @@ find_minor:
sprintf(debugfs->dri_path + len, "/i915_error_state");
if (stat(debugfs->dri_path, &st) == 0) {
debugfs->dri_path[len] = '\0';
return 0;
return;
}
}
debugfs->dri_path[0] = '\0';
return ENOENT;
igt_fail(4);
}
int igt_debugfs_open(igt_debugfs_t *debugfs, const char *filename, int mode)

2
lib/igt_debugfs.h
View File

@ -36,7 +36,7 @@ typedef struct {
char dri_path[128];
} igt_debugfs_t;
int igt_debugfs_init(igt_debugfs_t *debugfs);
void igt_debugfs_init(igt_debugfs_t *debugfs);
int igt_debugfs_open(igt_debugfs_t *debugfs, const char *filename, int mode);
FILE *igt_debugfs_fopen(igt_debugfs_t *debugfs, const char *filename,
const char *mode);

2
tests/gem_reset_stats.c
View File

@ -1041,7 +1041,7 @@ igt_main
"Kernel is too old, or contexts not supported: %s\n",
strerror(errno));
assert(igt_debugfs_init(&dfs) == 0);
igt_debugfs_init(&dfs);
}
igt_subtest("params")