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| author | Otavio Salvador <otavio@ossystems.com.br> | 2018-12-12 11:20:31 -0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-12 11:20:31 -0200 |
| commit | 1e71d8c630cbc0d1f5d762fd019690b5cdb880ae (patch) | |
| tree | 58b4b37bed385b27fc5956435b2451c760f26f5f /kernel/debug/kdb/kdb_support.c | |
| parent | 5f3fecbc0715a70437501e1d85e74726c4f561be (diff) | |
| parent | cfbbc7703fff59c67761c93a8b1de29a79f9841c (diff) | |
Merge pull request #40 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'kernel/debug/kdb/kdb_support.c')
| -rw-r--r-- | kernel/debug/kdb/kdb_support.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c index d35cc2d3a4cc..61cd704a21c8 100644 --- a/kernel/debug/kdb/kdb_support.c +++ b/kernel/debug/kdb/kdb_support.c @@ -129,13 +129,13 @@ int kdbnearsym(unsigned long addr, kdb_symtab_t *symtab) } if (i >= ARRAY_SIZE(kdb_name_table)) { debug_kfree(kdb_name_table[0]); - memcpy(kdb_name_table, kdb_name_table+1, + memmove(kdb_name_table, kdb_name_table+1, sizeof(kdb_name_table[0]) * (ARRAY_SIZE(kdb_name_table)-1)); } else { debug_kfree(knt1); knt1 = kdb_name_table[i]; - memcpy(kdb_name_table+i, kdb_name_table+i+1, + memmove(kdb_name_table+i, kdb_name_table+i+1, sizeof(kdb_name_table[0]) * (ARRAY_SIZE(kdb_name_table)-i-1)); } @@ -221,11 +221,13 @@ int kallsyms_symbol_complete(char *prefix_name, int max_len) * Parameters: * prefix_name prefix of a symbol name to lookup * flag 0 means search from the head, 1 means continue search. + * buf_size maximum length that can be written to prefix_name + * buffer * Returns: * 1 if a symbol matches the given prefix. * 0 if no string found */ -int kallsyms_symbol_next(char *prefix_name, int flag) +int kallsyms_symbol_next(char *prefix_name, int flag, int buf_size) { int prefix_len = strlen(prefix_name); static loff_t pos; @@ -235,10 +237,8 @@ int kallsyms_symbol_next(char *prefix_name, int flag) pos = 0; while ((name = kdb_walk_kallsyms(&pos))) { - if (strncmp(name, prefix_name, prefix_len) == 0) { - strncpy(prefix_name, name, strlen(name)+1); - return 1; - } + if (!strncmp(name, prefix_name, prefix_len)) + return strscpy(prefix_name, name, buf_size); } return 0; } |