diff options
-rw-r--r-- | sys/kern/subr_firmware.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/kern/subr_firmware.c b/sys/kern/subr_firmware.c index 209f3a7..9a1ec3f 100644 --- a/sys/kern/subr_firmware.c +++ b/sys/kern/subr_firmware.c @@ -198,10 +198,8 @@ firmware_register(const char *imagename, const void *data, size_t datasize, frp->fw.data = data; frp->fw.datasize = datasize; frp->fw.version = version; - if (parent != NULL) { + if (parent != NULL) frp->parent = PRIV_FW(parent); - frp->parent->refcnt++; - } mtx_unlock(&firmware_mtx); if (bootverbose) printf("firmware: '%s' version %u: %zu bytes loaded at %p\n", @@ -235,8 +233,6 @@ firmware_unregister(const char *imagename) } else { linker_file_t x = fp->file; /* save value */ - if (fp->parent != NULL) /* release parent reference */ - fp->parent->refcnt--; /* * Clear the whole entry with bzero to make sure we * do not forget anything. Then restore 'file' which is @@ -341,6 +337,8 @@ firmware_get(const char *imagename) return NULL; } found: /* common exit point on success */ + if (fp->refcnt == 0 && fp->parent != NULL) + fp->parent->refcnt++; fp->refcnt++; mtx_unlock(&firmware_mtx); return &fp->fw; @@ -363,6 +361,8 @@ firmware_put(const struct firmware *p, int flags) mtx_lock(&firmware_mtx); fp->refcnt--; if (fp->refcnt == 0) { + if (fp->parent != NULL) + fp->parent->refcnt--; if (flags & FIRMWARE_UNLOAD) fp->flags |= FW_UNLOAD; if (fp->file) |