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| author | Denys Vlasenko | 2020-06-09 15:58:32 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2020-06-09 15:58:32 +0200 |
| commit | 002be6e821eedfa190c5b060e7b61acb306c2a92 (patch) | |
| tree | 3eb0d206c179a42807947060b666f816cee7cca6 /procps | |
| parent | b2ab920716f640cbaaf486512ba177f4e0b597c5 (diff) | |
| download | busybox-002be6e821eedfa190c5b060e7b61acb306c2a92.zip busybox-002be6e821eedfa190c5b060e7b61acb306c2a92.tar.gz | |
sysctl: do report EACCES errors on write
function old new delta
sysctl_act_recursive 165 179 +14
sysctl_act_on_setting 467 471 +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 18/0) Total: 18 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'procps')
| -rw-r--r-- | procps/sysctl.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/procps/sysctl.c b/procps/sysctl.c index 6d77185..e16b119 100644 --- a/procps/sysctl.c +++ b/procps/sysctl.c @@ -169,13 +169,15 @@ static int sysctl_act_on_setting(char *setting) if (fd < 0) { switch (errno) { - case EACCES: - /* Happens for write-only settings, e.g. net.ipv6.route.flush */ - goto end; case ENOENT: if (option_mask32 & FLAG_SHOW_KEY_ERRORS) bb_error_msg("error: '%s' is an unknown key", outname); break; + case EACCES: + /* Happens for write-only settings, e.g. net.ipv6.route.flush */ + if (!writing) + goto end; + /* fall through */ default: bb_perror_msg("error %sing key '%s'", writing ? @@ -236,6 +238,7 @@ static int sysctl_act_recursive(const char *path) int retval = 0; if (!(option_mask32 & FLAG_WRITE) + && !strchr(path, '=') /* do not try to resurse on "var=val" */ && stat(path, &buf) == 0 && S_ISDIR(buf.st_mode) ) { |