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authorTom Rini <trini@konsulko.com>2023-01-09 11:30:08 -0500
committerTom Rini <trini@konsulko.com>2023-01-09 11:30:08 -0500
commitcebdfc22da6eb81793b616e855bc4d6d89c1c7a6 (patch)
tree44eaafcbe4866712d361304882e7d56ca0ef1682 /tools/env/fw_env.c
parent62e2ad1ceafbfdf2c44d3dc1b6efc81e768a96b9 (diff)
parentfe33066d246462551f385f204690a11018336ac8 (diff)
Merge branch 'next'
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'tools/env/fw_env.c')
-rw-r--r--tools/env/fw_env.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index c251e2e6ba7..c9a8774acef 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -1733,6 +1733,7 @@ static int find_nvmem_device(void)
while (!nvmem && (dent = readdir(dir))) {
FILE *fp;
+ size_t size;
if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, "..")) {
continue;
@@ -1748,7 +1749,14 @@ static int find_nvmem_device(void)
continue;
}
- fread(buf, sizeof(buf), 1, fp);
+ size = fread(buf, sizeof(buf), 1, fp);
+ if (size != 1) {
+ fprintf(stderr,
+ "read failed about %s\n", comp);
+ fclose(fp);
+ return -EIO;
+ }
+
if (!strcmp(buf, "u-boot,env")) {
bytes = asprintf(&nvmem, "%s/%s/nvmem", path, dent->d_name);