staging: android: logger: Correct write offset reset on error

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / staging / android / logger.c

diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c
index 080abf2..a8c3444 100644 (file)
--- a/drivers/staging/android/logger.c
+++ b/drivers/staging/android/logger.c
@@ -469,7 +469,7 @@ static ssize_t logger_aio_write(struct kiocb *iocb, const struct iovec *iov,
                         unsigned long nr_segs, loff_t ppos)
 {
        struct logger_log *log = file_get_log(iocb->ki_filp);
-       size_t orig = log->w_off;
+       size_t orig;
        struct logger_entry header;
        struct timespec now;
        ssize_t ret = 0;
@@ -490,6 +490,8 @@ static ssize_t logger_aio_write(struct kiocb *iocb, const struct iovec *iov,
 
        mutex_lock(&log->mutex);
 
+       orig = log->w_off;
+
        /*
         * Fix up any readers, pulling them forward to the first readable
         * entry after (what will be) the new write offset. We do this now