diff options
Diffstat (limited to 'drivers/mmc/core')
| -rw-r--r-- | drivers/mmc/core/bus.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 9be11ec05d8..1cc11714916 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -62,31 +62,34 @@ mmc_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf, int buf_size) { struct mmc_card *card = dev_to_mmc_card(dev); - int retval = 0, i = 0, length = 0; - -#define add_env(fmt,val) do { \ - retval = add_uevent_var(envp, num_envp, &i, \ - buf, buf_size, &length, \ - fmt, val); \ - if (retval) \ - return retval; \ -} while (0); + const char *type; + int i = 0, length = 0; switch (card->type) { case MMC_TYPE_MMC: - add_env("MMC_TYPE=%s", "MMC"); + type = "MMC"; break; case MMC_TYPE_SD: - add_env("MMC_TYPE=%s", "SD"); + type = "SD"; break; case MMC_TYPE_SDIO: - add_env("MMC_TYPE=%s", "SDIO"); + type = "SDIO"; break; + default: + type = NULL; } - add_env("MMC_NAME=%s", mmc_card_name(card)); + if (type) { + if (add_uevent_var(envp, num_envp, &i, + buf, buf_size, &length, + "MMC_TYPE=%s", type)) + return -ENOMEM; + } -#undef add_env + if (add_uevent_var(envp, num_envp, &i, + buf, buf_size, &length, + "MMC_NAME=%s", mmc_card_name(card))) + return -ENOMEM; envp[i] = NULL; |