Commit: e5d5a575676815c762b5954eac773a04066618ff - system-coremmmm (git)

system/corennnnn

Commit MetaInfo

• Revision: e5d5a575676815c762b5954eac773a04066618ff (tree)
• Time: 2010-04-14 19:12:28
• Author: Xinyu Chen <xinyu.chen@free...>
• Commiter: Chih-Wei Huang

Log Message

Fix bug of mmc.c not checking read_file result.
This bug causes segment fault when reading name node of
SDIO mmc device's /sys file, which is not existed at all.

Signed-off-by: Xinyu Chen <[e-mail]>

Change Summary

• modified: vold/mmc.c

Incremental Difference

--- a/vold/mmc.c
+++ b/vold/mmc.c
@@ -158,6 +158,10 @@ static int mmc_bootstrap_card(char *sysfs_path)
 
     sprintf(filename, "/sys%s/name", devpath);
     p = read_file(filename, &sz);
+    if (!p) {
+        LOGE("Unable to read MMC name: %s", filename);
+        return -errno;
+    }
     p[strlen(p) - 1] = '\0';
     sprintf(tmp, "MMC_NAME=%s", p);
     free(p);